13. Let g(w) = -2*w + 27. Let z be g(b). Solve r = -2*l + 5, 2*r - z*l + 18 = 7*r for r.
3
Suppose 5*c + 13 - 28 = 0. Let r = 551730 + -551726. Solve -c*z = -2*h, 8*h - r*h = -2*z for h.
0
Let q(x) = x**2 - 5*x + 9. Let y be 6/4*(-36)/(3 + -12). Let k be q(y). Solve -5*n - 2*u = 2*u - k, -2*u = -10 for n.
-1
Suppose -8 = -o - 3*f, -7 = 2*o - 3*f - 5. Suppose o*t - 6 + 2 = 0. Solve 0 = -4*h + t*z, h = -5*z - 8 - 3 for h.
-1
Suppose -21*g = -24*g + 15, 0 = -q - 3*g + 39. Solve 4*h - 4*b = 8, -27*h + q*h - 5*b = 2 for h.
1
Let j(x) = -x**3 - 55*x**2 - 251*x - 48. Let h be j(-50). Solve f = -3*r + h*r + 7, -5*f = 2*r - 20 for r.
5
Suppose 309 = -2*l + 2*v + 357, 5*l - 3*v - 108 = 0. Solve 3*j + 21 = -4*f, 3*f - 9 = -l for j.
-3
Let l(z) = 44*z + 104. Let s be l(-8). Let v = -241 - s. Solve -2*t + r = -5, 5*t - 27 + v = 5*r for t.
1
Let m(b) = -8*b + 2*b + 5*b + 55. Let z be m(-17). Let k = z - 70. Solve 7*o + 21 = l + 3*o, 4*l - k*o - 28 = 0 for l.
5
Let p(i) be the second derivative of 0 + 11*i + 0*i**2 + 1/20*i**5 + 5/12*i**4 + 5/6*i**3. Let u be p(-2). Solve 5*x + 9 = -u*c + 4*x, 4*c = 5*x - 11 for c.
-4
Suppose 0 = -f + 22 - 0. Suppose -2*x = -10 - f. Let o(t) = -t**3 - 19*t**2 + 40*t - 37. Let y be o(-21). Solve x = -4*n - p, 2*n + 4*p - y = 1 for n.
-5
Let h(v) = 4*v**2 + 2*v - 25. Let d be h(-5). Let y = d + -53. Let p be (-1)/((-4)/y + -1 + 1). Solve a + 1 = p*f - 7, -2*f + 27 = -5*a for a.
-5
Suppose -3*y = -12, 0*p + 15*y - 18*y + 18 = 2*p. Suppose 0 = -2*d - 4*w + 12, -2*d - 5*w + 16 = d. Solve p*n = d*b, -3*n + 2*n + 14 = 4*b for b.
3
Suppose 4*r - 2*h - 292 = 0, 5*r + 104 = -h + 469. Let p = r - 70. Suppose -18 = -2*j + p*s, 5*j + 0*s - 3 = -3*s. Solve j*d - 3*n - 8 = 7, 5*n = 0 for d.
5
Let u(b) = -33*b + 5. Let m be u(0). Suppose 10*h = m*h + 5, 0 = v + 3*h - 3. Solve 5*c + 5*y + 5 = v, c = 2*c - 2*y - 8 for c.
2
Suppose 806 = 64*t - 474. Solve 0 = -4*b + 3*o - 28, -5*o + 7*o = 3*b + t for b.
-4
Let m be ((-2)/(-6))/(3 + (-220)/75). Suppose -z + 3*z - 4 = 0. Let i be (z - m) + (-75)/(-6)*2. Solve 17 = q + 4*t, -5*q + 0*t = -t - i for q.
5
Suppose 200 = -17*m + 27*m. Suppose -66*j = -70*j + m. Solve 3*u - 5*u = j*o, -2*o + 14 = -2*u for u.
-5
Let s(o) = 293*o - 1169. Let y be s(4). Solve 3*i + 21 = -y*h, 2*h + 4*i + 11 = -11 for h.
-3
Suppose -4 = 4*o + 5*g + 2, 0 = 2*o - g + 10. Let q be ((-5)/o)/((-2)/(-8)). Let w be (-16)/(-7) + -2 + 1440/252. Solve f + r - w = 0, -q*r - 1 = -f - 13 for f.
3
Let b = 8335 + -8326. Solve 5*m - 4*s + 32 = b*m, -2*s = 4*m - 26 for m.
5
Let h be 4/(-46) + (-32)/(-368). Suppose -5*o + 5*u + 35 = 0, o + u - 3*u - 10 = h. Solve 5*c + k + 18 = c, -o*c + 2*k = 12 for c.
-4
Let b be (-1)/((-3)/219) + 3. Let t be b/18 + (-6)/27. Let d = -4208 - -4217. Solve 0 = t*u - 3*h - d - 11, 0 = -2*h - 8 for u.
2
Let c(b) = b**2 + 1. Let h be (((-4)/12)/1)/(1/(-33)). Suppose -h*n + 8 = -3*n. Let k be c(n). Solve k*l = 4*f + 10, -5*f + l - 4*l = 29 for f.
-4
Let w be 63/7 - (2190/511 - (-4)/(-14)). Solve w*q + 5*g = 5, -2*q + 566 - 540 = -4*g for q.
5
Suppose 48 = -10*d + 48. Let b(k) = k**2 - 10*k + 13. Let p be b(d). Solve 4*y = -4*f + 24, -2*y - 3*f + p = -0*f for y.
5
Let k = -15456 + 15473. Solve c = -3*o + 3, -3*o - k = -7*o + 3*c for o.
2
Let v(r) be the first derivative of 4*r**2 - 14*r - 10. Let g be v(3). Let k be -1 - ((-40)/25)/(4/g). Solve 5*m - 10 = m + 3*z, m - 7 = k*z for m.
1
Suppose 5*z - 47*s + 51*s = 32, s = -3*z + 8. Solve o - 4*r = z, 0*r + r - 13 = -3*o for o.
4
Suppose -76*k + 10 + 55 = -163. Solve 2*r - 3*j = 7, k*j + 79 = -2*r + 80 for r.
2
Suppose 6*w - 4 = 2*w. Let h = 22 - 12. Suppose 5*y - h = -0*y. Solve y*z - 3*z = 5*t - w, -4*z + 4 = -t for z.
1
Let r(w) = 6*w**3 - 7*w + 3. Let t be r(3). Let u be (-3)/(4/t*-3). Suppose -u = -8*a + 2*a. Solve -a + 14 = -q - 5*j, -10 = -4*q + j for q.
2
Let d = -434 + 435. Suppose 0 = q - 4*o - 19, 3*o - d + 28 = 5*q. Solve 0 = -3*j - 5*l + q + 9, 3*l = 0 for j.
4
Let k = -8563 + 8567. Solve d = 0, 15*c - k*d = 18*c for c.
0
Let m(y) = -y**3 + 26*y**2 - y + 42. Let o be m(26). Solve -15*q - 1 = -o*q, -2*q = 2*p + 8 for p.
-5
Let z(t) = -43*t**2 + 3*t - 2. Let x be z(1). Let y = x - -46. Suppose 0 = 4*l + y*r - 24, l + 5*r + 0 = -2. Solve 3*k + l = -2*p - 5, -2*p + 17 = -3*k for p.
1
Let s(w) = 2*w + 54. Let j be s(-19). Let g(p) = -2*p**2 + 33*p + 8. Let h be g(j). Solve -i + 5*c + 29 = 0, i - 6*c + 2*c = h for i.
4
Suppose 24 = 6*c + 3*n, n - 10 - 4 = -5*c. Solve -5*r = -z - 9, 4*r + c = 4*z + 6 for z.
1
Let h(n) = -5*n**3 - 2*n**2 - 5*n + 5. Let d be h(0). Solve d*v - 2*c - 6 = 0, 0 = 27*c - 26*c - 2 for v.
2
Let l be (-1)/(2 + (-5)/2). Let z be l/4 - 21/42. Solve -i + t + 1 = z, -3*i + 3*t + 2 = t for i.
0
Let a be -2*33/30*(-165)/33 - 5. Solve 7 = -2*x - 5*m - a, -2*x - 4 = -4*m for x.
-4
Let m = 1314 - 1313. Solve 3*f + 5 = -y, 0 = y + f - m + 4 for y.
-2
Let y be 15*((-10)/(-3) - 3) + 61 + -53. Solve -y*n = -14*n + 4, u - 5*n = -15 for u.
5
Let p(l) = -l**3 + 4*l**2 + 116*l - 354. Let c be p(3). Solve 5*b - 9 = -4*i - 8, c*b = -5*i + 11 for i.
4
Let w = -22285 - -22285. Solve 3*o - 6 = w, 14 = -28*b + 31*b + 4*o for b.
2
Let f = 5117 - 5111. Solve 2*j = 3*z + f, -3*z + 4 = -j - 5*z for j.
0
Let f(u) = -u**2 - 9*u - 23. Let o be f(-6). Let s be -6 + 5 + (2 - o). Let i be 164/14 - s/(-21). Solve -3*p - b = p - i, b + 2 = 3*p for p.
2
Let c = 523 - 520. Solve -4 - 18 = j - 4*m, c*j + 16 = 2*m for j.
-2
Suppose 111*n = 57*n + 486. Solve -4*p + 6*p - 7 = y, -3*p + y = -n for p.
2
Suppose -269*k + 324*k - 110 = 0. Solve -10 = k*j, 4*p + 3*j + 45 = -2*j for p.
-5
Let s be (-2)/(-1) - 10*69/(-230). Solve -4*w = 5*d + 20, 6*w = s*w + d - 5 for w.
-5
Suppose -h - 98 = -2*b + 127, -3*b - h = -325. Let m = -98 + b. Solve -5*f - s = -m, -3 + 0 = 2*f + 3*s for f.
3
Let z = 907 - 516. Let g = z + -386. Solve -g*a + 5 = 0, -j - 4*a = 4*j + 21 for j.
-5
Suppose d = -2*j + 14, -5*j + 5*d = -j - 70. Solve -4*g + 2*m - j = 0, -3*g - 17 = 5*m - 3 for g.
-3
Suppose -3*z + 20 - 5 = 0. Suppose -u + 6*n = 9*n + 10, 2*n - 15 = -5*u. Suppose 0 = -4*y + 7 + u. Solve 25 = -z*q, -y*q = -5*c - 6*q for c.
3
Suppose 7*n = -7*n + 13*n. Suppose 0 = -2*h - 2*f - 3*f - 21, n = 4*f + 20. Solve 2*c - 14 = -4, h*s - 4*c + 24 = 0 for s.
-2
Let p = -20 - -35. Suppose 3*y = 5*k + 29, 0 = 5*y + 38*k - 34*k - 110. Suppose -3*o = p - y. Solve -5*i - 3 = w, -3*i = -w - o + 6 for i.
-1
Let k(r) = 46*r - 1651. Let j be k(36). Solve 4*f + 5*t = 8, -7*f - 22 = -j*f - 4*t for f.
-3
Let r be ((-8)/24*12)/(7/(-112)). Solve -2*d - 2*p - 8 = 0, 3*p - r = -2*d - 73 for d.
-3
Let j = -7167 + 7167. Solve 5*r = p + 12, j*r - 8 = p - 3*r for p.
-2
Let b = 2026 + -2876. Let z be (4/10)/((-85)/b). Solve z*v + 1 - 2 = 3*j, -5*v - 4*j = -9 for v.
1
Suppose -156*f + 0*f - 4*f + 3040 = 0. Solve 18*m = -3*t + f*m + 6, -15 = -3*t + 4*m for t.
1
Suppose -54 = 94*t - 85*t. Let u = -6 - t. Solve 0 = -a + 2*a - 2*p - 11, 5*a - p - 10 = u for a.
1
Suppose 2*q = -4 + 56. Let a be (-5 + 9 - 4)/1. Suppose a = 5*y - q + 6. Solve -2*u = 5*h - 20, 0 = 2*u - 4*u - y*h + 16 for u.
0
Let r(l) = -2*l - 1. Let u be r(-2). Let j(t) = t + 0*t + u*t - 3*t. Let q be j(2). Solve -3*y - q*y + 3 = 4*x, 3*x = -9 for y.
3
Let g(t) = -t**3 + 11*t**2 - t + 6. Let w be g(9). Let k = 162 - w. Solve y - k + 2 = 2*r, 3*r - 3*y = -6 for r.
1
Let n(s) be the first derivative of 0*s - 3 - 5/2*s**2 + 1/3*s**3. Let a be n(6). Solve -2*z + 5*z - b + a = 0, 5*b + 6 = -3*z for z.
-2
Let c be 66/198 + (1/(-6) - 538/(-12)). Solve 4 = h + 2*w, c*w - 1 = 44*w for h.
2
Let m(k) = 2*k**2 - 11*k + 12. Let t be m(10). Suppose t = 8*b - 106. Solve -g - 17 = -3*v, 3*v - b - 11 = 5*g for g.
-5
Suppose 5*h - z - 15 = 1, 5*h - 4*z = 19. Solve -2*n + 3*k = 4, -5*k + 0*k + 8 = -h*n for n.
4
Let t be (0 - 2)/((-1)/(-3)). Let s(h) = -h**3 - 4*h**2 + 15*h + 22. Let g be s(t). Solve 12 = -4*d + 3*r, d + 3*r - 12 = g*d for d.
0
Let y(i) = i**3 - 5*i**2 - i - 40. Let o be y(9). Let s = o - 272. Let q(a) = -a**2 + 11*a + 1. Let z be q(9). Solve 4*w + s*r = 0, w - 3*r - r = z for w.
3
Suppose -3*n = -11 - 1. Suppose -3*t = 3*f - 75, 0 = -11*f + 10*f + t + 21. Solve 3*o - 7*o = 4*l + 28, 3*o + f = -n*l for l.
-2
Let p = -1958 - -1961. Solve 0 = -z - p*q + 17, 0 = z - 11*q + 