15. Suppose 4*t - t - 2*a = 4, -4*t = -a - u. Solve -q = -t*x + 14, x + 2*q + 0*q - 8 = 0 for x.
4
Let f(k) = -12*k + 257. Let o be f(21). Solve -3*u = -o*v + 11, 3*v - 9*u + 10*u - 1 = 0 for v.
1
Let i be 3 - (1 + 0)*1. Suppose -i = -5*q + 8. Let w = 234161 - 234153. Solve -j + w = -q*j - n, 5*n + 28 = -2*j for j.
-4
Let b be (14 + 210/(-28) - (7 - 1))*14. Solve 5*n - 4*p + b = 11, 0 = -3*n - 3*p + 24 for n.
4
Let b(a) = 4*a**2 + 15 - 2*a**2 - 3*a**2 - 2*a. Let y be b(0). Let d = 16 + y. Solve 5*h + 3*r = -d, 0*r + 1 = -h + 2*r for h.
-5
Suppose -15*x + 3 + 27 = 0. Suppose x*t - 152 = -17*t. Let s = -8 + 13. Solve -4*f + 20 = -2*k, 2 = 2*f + s*k - t for f.
5
Suppose 5*v + 134 - 149 = 0. Let a(p) = -p + 8. Let f be a(v). Solve 24 = -0*l + 2*l - 4*s, 0 = 4*l - f*s - 33 for l.
2
Suppose 6*d - 2*c - 19 = d, 5*c + 19 = 3*d. Solve o = 2, -d*o + 2*o = 4*l + 6 for l.
-2
Suppose 19 = 5*i - 3*w, 52*i + 17 = 55*i + w. Solve -4*m = -i*k + 3, -m - 3*m + 2*k = 6 for m.
-2
Let b = -16 - 29. Let z = -25 - b. Suppose 19*v - z*v = -8. Solve -2*s - 12 - 13 = -5*q, q - v = s for s.
-5
Let p = -88 + 139. Suppose -10*s + p = -39. Solve s = -2*b + 3*b - 2*g, 2*b + 2*g = 0 for b.
3
Let w = -37 - -108. Suppose 2*g - 5*v = w, 6*v + 112 = 3*g + 4*v. Suppose -6*j + g = -34. Solve 5*h = -3*u + j, 3*h + h - 4 = -u for h.
0
Suppose -u + 2*u - 6*w = -26, -4*w + 4 = -4*u. Solve -g + 7 = -8*o + 6*o, u*o - 1 = -g for g.
5
Let j be 4/(4/(3 + 1)). Solve -25*h + j*o + 22 = -26*h, 0 = 5*h - 2*o - 22 for h.
2
Let l be ((-24)/18)/((-1)/3). Suppose -l*v + 52 = 3*r - 47, -2*v - 23 = -r. Solve -40 = -4*j - j + 4*f, j - 5*f = r for j.
4
Let x = -8285 - -8302. Solve -10*d + 20 = -6*d, -3*d + x = -v for v.
-2
Let g(p) = -6*p + 1. Let d be g(-2). Suppose 29*i + 60*i - 712 = 0. Solve 4*a + d = -m + i*a, m + 7 = 2*a for m.
-1
Suppose 21*v - 10 = 26*v. Let a be (6/5)/(v/150*-10). Solve x = -4, 0 = b - x - a for b.
5
Let b = -8 - -13. Let o be (1 + -2)/(-1 + 12/18). Suppose 0 = 2*z - 8, 4*i - o*z = -6*z + 72. Solve b*f + y - i = -0*y, y = -f - 1 for f.
4
Let m = -389 - -392. Let j be (m - (-26)/(-12)) + (-39)/(-18). Solve 8 = 5*h + j*t, -3*h + 3*t + 8 = -4*h for h.
4
Let q be (17 + -19)/((-1)/2). Solve -q*j + 10 = -2*p, 0*j - 5*j + 50 = 5*p for j.
5
Let x = 17 - 11. Let s = 2 + 3. Let v(r) = -1993*r - 7969. Let f be v(-4). Solve -c = -5*b - s - 7, -f*b - x = -c for c.
-3
Suppose 62 = 2*w - 2*n, -w - 5*n + 14 = -5. Solve 2*g = -5*m + w, 0 = -g - 3*m + 57 - 40 for g.
2
Suppose 3*k + 54 = 10*s, -243*k = -s - 248*k + 16. Solve 0 = 2*n + s*c - 9*c - 19, -5*n + 16 = 3*c for n.
5
Let n(p) = 20*p - 19. Let f(t) = -t**3 - 2. Let q be f(0). Let d be n(q). Let l = d - -61. Solve 0 = -4*j - l*s - 2, -5*s + 7 + 3 = -5*j for j.
-1
Let n(q) = q**2 + 148*q - 451. Let c be n(3). Solve 23*w + 3*v - 18 = 28*w, -2*v = -c for w.
-3
Let j = 1060 + -528. Let k = j - 529. Solve 3*v - 27 = 3*w, -k*w + 5 = 9*v - 4*v for w.
-5
Let o = 1171 + -796. Let c = o + -370. Solve 5*l - 8 = -0*t + t, -c*l + 4*t + 17 = 0 for l.
1
Let d(u) = -21*u - 239. Let v be d(-12). Solve 0 = -3*g - 4*k, -13*g = -v*g + 4*k for g.
0
Suppose -5*b = -m - 2*b + 25, 3*m - 5*b = 95. Let x be ((-16)/m)/(2/(-100)). Solve 2*u = 2*l + 2*l - 30, 5*u = -l - x for l.
5
Let z(v) be the third derivative of v**5/60 + 13*v**4/12 + 70*v**3/3 + 4*v**2 + 6*v. Let k be z(-6). Solve -l = 2*h - 3*l, 4*l = k for h.
5
Suppose -l - 8 = -3*l. Suppose -4*v + r = -36, -2*r - 25 + 33 = 2*v. Solve -4*u = a - 20, -8*a + l*a = -2*u - v for u.
4
Suppose -5*x - 4*i = 0, 0 = 3*x - 10*i + 15*i. Solve 31*f + a - 5 = 36*f, x = -3*f + 4*a + 14 for f.
-2
Let q = 2161 + -2159. Suppose -2*d = 3*t + 3*d - 20, -8 = 4*t - 2*d. Suppose 5*k - k = t. Solve -q*b - f + 1 = -3*b, b - 3*f - 7 = k for b.
-5
Suppose 45 = -38*i + 235. Solve 9*q - 11*q = -i*y - 6, 2*y - 5*q + 15 = 0 for y.
0
Let l = -59 - -70. Suppose 17*j - 30 = l*j. Solve x - 1 = -3*x + u, -j*x = 4*u - 17 for x.
1
Suppose 461*n - 470*n - 144 = 0. Let y be -4 - (2135/(-280) - (-6)/n). Solve g - y*p - 5 = 0, -2*p = 3*p for g.
5
Let t = -7198 + 7202. Solve t*x + 51*u - 53*u = -2, -3*x + 3*u = -6 for x.
-3
Let j be (-4)/((-1)/(-4) + 306/(-408)). Solve 0 = -4*k - 8, 4*i = -4*k + j - 0 for i.
4
Suppose 0 = 4*i + 48 - 140. Let z = 36 - 11. Let d = z - i. Solve -d*l + 3*q - 2 = 0, -2*l - q = 2*q - 22 for l.
5
Suppose -662*z - k - 11 = -664*z, 17 = -z - 4*k. Solve 2*c + 8 = -z*h, 5*h - 3*c + 45 = -0*h for h.
-6
Suppose -5*i = -5*h - 60, 5*h + 0*h - 3*i + 64 = 0. Let n be (12/h)/(9/(-42)). Solve 4*y + 23 = 3, 5*y = n*g - 29 for g.
1
Let t(o) = -o - 23. Let b be t(-14). Let a be (-12)/b*(0 + 3/4). Solve -5*z + 2*x - 3 = 0, -a = -z - 3*z + 5*x for z.
-1
Let n(d) = -d**3 - 9*d**2 - 10*d + 13. Let g be n(-10). Let f = g - 211. Solve -3*t - 4*o + 3*o - 5 = 0, f = 2*t - 2*o for t.
-1
Suppose 26*u = 16*u + 30. Let c(f) = f**3 - 25*f**2 + f - 25. Let p be c(25). Suppose 5*j = 2*j + 9. Solve 4*b - v = j*v + 24, b + 2*v - u = p for b.
5
Let i = 723 - 694. Suppose -i*p + 78 = -38. Solve -2*s + p*u = -24, 6*s - 3*u - 21 = 3*s for s.
2
Let j be (2 + 0 + 4)/3. Suppose -o = 16 - 12. Let y be (-3)/(-2)*o/(-3). Solve y*k = -5*t - 21, j*k - 7 = t + k for t.
-5
Suppose -3*w + 14*w + 2816 = 0. Let f be (-16)/(-3)*24/w*-8. Solve -3*z = f*v + 11, v = 5*z + 28 - 2 for z.
-5
Let w be (13 + 5 + -17)/((-2)/(-30)). Suppose 0 = -3*s + 5*b - 2*b, -5*b = 2*s - 14. Solve -27 = -s*o + 5*m, -5*o + m = -m - w for o.
1
Let y be (1 - (-46)/(-42)) + (-12518)/(-21). Let j = y + -590. Solve -2*n = 3*v - 11, v = j*v - n - 1 for v.
1
Let o be 36/(-8)*(6 + ((-608)/72 - -2)). Solve 2*b - 14 = -o*g, 18 = -28*g + 30*g + 3*b for g.
3
Let z = -13143 - -13143. Solve 0 = -2*b + 6*c - 9*c, b + 5*c - 7 = z for b.
-3
Suppose -m = -4, -11*c = -12*c + 2*m - 5. Solve 3*n = -c*w - 6, 0 = -4*n + n + 2*w - 6 for n.
-2
Suppose 4*a = -5*o + 80, 3*a - 15*o - 60 = -16*o. Let w = -3 + 7. Solve -w*b + 0*b = -a, -b = r - 9 for r.
4
Let p(a) = a**3 + a**2 + 3*a + 2. Let x be p(0). Let s be (4 + x)*3/9. Solve -2*h + s*o + 2 = 0, -2*o - 19 + 5 = 2*h for h.
-3
Let h(t) = -4*t**2 - 174*t - 65. Let o be h(-43). Let k be ((-24)/(-36))/(7/o). Solve f - 5*s + 5 = 2*f, -k*f - 3*s + 10 = 0 for f.
5
Let a = -556 + 558. Solve 3*g + 2*b - 4*b + 5 = 0, -5*b = -a*g - 7 for g.
-1
Let f be 69/3 + (-16 - 0). Solve 5*y = 2*d - 17, -4*y + f*d = 2*d + 34 for y.
-1
Let j(g) = 2*g**3 - 49*g + 10. Let z be j(-5). Solve -z*q = 5*w, -20 = 12*q - 7*q + w for q.
-5
Suppose 494*o - x - 23 = 492*o, x = 5. Solve o = -3*a + n + 1, -13 = a + 4*n for a.
-5
Let q(d) = d**2 + 32*d + 33. Let y be q(-31). Let i be ((-68)/(-32) - y) + (-63)/(-8). Solve 0*f + 4*f - 4*u + 4 = 0, -3*f = 2*u + i for f.
-2
Let c(j) = j**2 - 12*j + 39. Let y be c(6). Solve l - 4*q - 8 = 0, -32*q = -y*l - 27*q + 17 for l.
4
Let w = 16645 + -16642. Solve w*z = 4*v + 15, -v + 27*z - 30*z = -15 for v.
0
Suppose -4*n - 5*v + 94 = 92, -3*n - 3*v = -3. Solve -n*a + 2 = -0*a - k, a = 4*k + 19 for a.
-1
Let j(i) = -i**2 + 22*i - 81. Let o be j(17). Let s(d) = 6*d**2 + 0 - 2*d**2 - 5*d**2 - 8*d + 6. Let p be s(-6). Solve o*c + p = -2*m, 3 = 2*m + 1 for c.
-5
Let u = 701 - 699. Solve u*a - 4 + 10 = 0, -4*q = 4*a - 4 for q.
4
Let s(m) = 4*m**3 + 11*m**2 - 6*m - 4. Let u be s(-3). Solve -w + 12*v = 7*v + 5, -40 = 8*w + u*v for w.
-5
Let z(m) = -25*m - 65. Let j be z(-4). Let u = -25 + j. Solve -n = -3*n - 4*o - 12, -4*o = n + u for n.
-2
Let n(h) = 18*h**2 - 12*h - 13. Let c be n(-1). Suppose c*j + 3*j = 80. Let x(y) = -6*y + 4. Let u be x(-4). Solve o + 10 = -j*o + 2*w, -4*w - u = 2*o for o.
-4
Let t = 3672 - 3667. Solve 0 = t*v + 20, 2*g + 0*g + 6 = -4*v for g.
5
Suppose 15*c = 7 + 323. Let x be 48/c + (-162)/891. Solve s = -5*k, -4*s = x*k - s + 13 for k.
1
Let v be (0 + 0)/(1 - 8 - -9). Suppose -3*k - o - 1 = v, 2*k - 1 = 5*o + 4. Let t be (-2)/(-3) - 74/(-6). Solve k*s - 4*s - 3*q + 32 = 0, s + 2*q = t for s.
5
Let s(w) = -w**3 + 5*w**2 + 93*w - 286. Let o be s(11). Solve r + o = -79*z + 75*z, 0 = -3*z + 5*r - 14 for z.
-3
Let k be (-12)/18*((-15)/6 - -4)*-15. Solve -4*f - w + 13 = -6, 2*f - 5*w = k for f.
5
Let y(r) = -r - 8. Suppose -20 = 2*c + 4*u, 3*u = -4*c + c - 27. Let p be y(c). Solve p = -a - 2*n - 2, 3*n = -a - 2 for a.
-2
Let x be (-120)/(-6)*((-18)/(-8) + -