(7). Solve 15 = -4*r - r + b*c, 0 = -2*r + 5*c - 27 for r.
-1
Let t(v) = -v**2 + 11*v - 23. Let w be t(7). Solve -3*u = -w*l - 40, l - 4*l = 4*u - 5 for l.
-5
Suppose -4*g = -9*g - 4*t + 3, 4*t + 27 = 5*g. Let x(i) = -22*i - 149. Let u be x(-7). Let s be (-1)/(-2)*16/2. Solve 4 = -u*k + w, -2*k + s*w + g = -k for k.
-1
Let r = 12 + -10. Solve -v = 5*q - r - 2, -3 = -q + 2*v for q.
1
Let h be -3 + 0 + 24 + -5. Solve -2*g = 2*p + 4, 4*g = -2*p - h + 6 for g.
-3
Let z = -73 - -77. Solve -z*w - 5*g = -5*w + 24, -3*g = -w + 16 for w.
4
Let v be 5/3 + 2/6. Let a = v + 1. Solve a*j + 13 = 2*y, -4*j - 14 - 10 = -4*y for y.
5
Let o(b) = -4*b - 72. Let l be o(-19). Solve 0 = -l*c - 3*j + 1, 2*c = -6*j + 3*j + 5 for c.
-2
Let w(a) = a**2 + 4*a - 7. Let q be w(-6). Suppose 4*b + 5*h = 37, 5*b - 5*h + 4*h - 10 = 0. Solve -i + 5*i - 5 = -3*t, q*i = b*t - 14 for i.
-1
Suppose 0 = x + l - 7, -3 - 2 = l. Let c be 303/x - (-3)/4. Solve 5*a - c = -3*d + 2, a = -d + 6 for d.
1
Let u(z) = z**3 + 2*z**2 + 3*z + 11. Let s be u(0). Solve -3*k = -5*b + b - s, k - 12 = 3*b for k.
-3
Let g = -5 + 3. Let h be 5 + g - 4 - -6. Solve -4*t = -5*l + 25, 3*t - l = -t - h for t.
0
Let z(l) = l**2 - l. Let q be z(-1). Suppose -4 - 4 = -q*h. Suppose -r + 5*r = 4*y - 48, 84 = 5*y + r. Solve -h*s = 4*d + 36, -8*s + d - y = -4*s for s.
-5
Let p(t) = -t**3 - 4*t**2 - 5. Let d be p(-4). Suppose 0 = -0*v + 2*v + 14. Let c = d - v. Solve 0 = 2*y - c, 4*m + 2 = 2*m + 4*y for m.
1
Let s(c) = c**3 + 5*c**2 + 2*c**2 + 2*c**2 - 9 + 7*c. Let p be s(-8). Let d be 2 + p + 2 - -1. Solve 0*v = -2*v - 5*b - 20, d*v + 16 = 2*b for v.
-5
Suppose x - 4*h - 12 = -2*h, x - 27 = 5*h. Let o be 0 - -1 - (1 - 0). Suppose y + 0*y - 40 = o. Solve -5*v = 4*r + y, x*r + 18 = -2*v - 0*v for v.
-4
Suppose -60 = -4*a + 3*t, -4*t + 2*t = 8. Let n = 16 - a. Solve -4*s - 28 = n*z, 4*z - 3 + 21 = s for z.
-5
Suppose -2*j + 3 = -j. Solve -5*p + o + 28 = -0*o, -p - j*o = 4 for p.
5
Let x(p) = 7*p**2 - p - 1. Let m = 8 + 0. Suppose 0 + m = 4*n. Let g be x(n). Solve -r + 3 + 7 = 3*h, -5*r - g = 0 for h.
5
Suppose 4*v + 9 + 2 = -3*m, -18 = -m + 3*v. Solve 3*o = -d + 4*o, -m*d - 5*o = -24 for d.
3
Suppose 3*t = -4*i + 6, 2*t = 2*i + 3 + 1. Suppose -3*q + 1 = p - i*p, 0 = 4*p + q - 37. Solve -2*h = 5*o - 4*h - p, 3*o - 37 = -5*h for o.
4
Let d = -8 - -17. Let q be (-1)/6 - 55/30. Let b = 0 - q. Solve -d = -5*p - f, -b*f - 4 = -p - 0*p for p.
2
Let w = 14 + -8. Suppose -3*h + 160 = -2*h. Suppose q = -3*q + h. Solve -n + w*n = 3*g - q, 5 = -n for g.
5
Let h be (-1)/(2/(-2)) - -1. Let o(j) = h*j - 2*j - j - 2. Let i be o(-4). Solve 4*a = -5*z - 4, -i*z - 2*a = -4*a + 16 for z.
-4
Let b = 113 - 113. Solve 0 = -b*r - 4*r + 5*g + 12, 3*r - 9 = 5*g for r.
3
Suppose -2*g = g + p - 25, -2*g = 4*p. Let s = g - 5. Solve -r = s*c + 14, -3*c + 0*c - 4 = 5*r for c.
-3
Suppose 3*o + 2 = 2*g + 28, 4*o - 5*g = 44. Solve 2 = 2*w + 3*v - 6*v, 0 = 3*v - o for w.
4
Let g be (-4)/7*21/(-6). Let n be 58/18 - 4/18. Suppose -n*u + 5 = -58. Solve g*z + z = -4*m - u, -5*z + m - 12 = 0 for z.
-3
Suppose -3*g + 33 + 31 = -5*x, -3*g = 4*x - 46. Let t = g - 13. Solve 0 = -t*u + 2*u + 3*y - 24, -3*y = -9 for u.
-5
Let u be (-32)/(-18) + (-4)/(-18). Suppose -3*x + 22 = 5*j, 1 + 7 = x + u*j. Suppose t = 5 + 3. Solve -3*b - 3 = 3*v, 3*v - 5 = x*b + t*v for b.
0
Suppose 5*w - 148 = 3*t, 3*w + 2*t - 136 = -w. Let y = w + -7. Suppose 2*d - y = -3*d. Solve 1 = 3*p + o, -p - 5 = 2*p - d*o for p.
0
Let d(s) = 3*s**2 - 2*s + 3. Let f be d(3). Suppose -21 = -3*m + f. Solve 4*r + r = -m, -3*g + 3*r = -6 for g.
-1
Suppose -2 = f + 5*g, -14 = -5*f - 0*f - g. Solve 5*c + 5 = 4*h - 7, -f*h = -3*c - 6 for h.
-2
Let d be 4/18 - (-88)/9. Let f = d - -1. Let c = -3 + f. Solve 4*h = 3*j - c, 4*j + 0*j - 2*h + 6 = 0 for j.
-4
Let r be ((-2)/(-4))/((-1)/(-4)). Solve 4*m = -r*a - 12, 0 = -5*m - 7*a + 2*a - 5 for m.
-5
Let l(k) = -k**3 - 7*k**2 - 8*k + 5. Let x be l(-6). Suppose 0 = -6*r + 5*r + 2. Solve 3*p = -5*j + x, p - r*j = 3*j - 1 for p.
4
Let i = 1 + 2. Let b = -53 - -89. Suppose i*r = -r + b. Solve 0 = o + 2*y - 3, 4*o = o - 5*y + r for o.
3
Let y = 1 - -1. Let l be (-3)/21 - y/(-14). Solve 3*g = 2*h + 8, 4 = 3*g - l*g - h for g.
0
Let d = 24 + -19. Solve -2*o + 2 = -d*t - 2, -5*t - o = 13 for t.
-2
Suppose -a = 3*w - 2*a - 6, 0 = -5*a + 15. Let d be 0/(3/(-1)) - -3. Solve -3*q + 10 = o, w*o = d*q - 0*o - 6 for q.
3
Let f be (2 - (-5 + 2)) + 0. Solve -5*m = -0*n + 3*n - 34, -5*m + 40 = f*n for m.
5
Let i(q) = q**2 + 3*q - 5. Let f(v) = v**2 - 6*v - 13. Let u be f(7). Let g be i(u). Solve -5*l - 4*p = g, -4*l + 0 = 5*p + 14 for l.
-1
Let p(z) = 6*z + 7. Let i be p(-1). Solve i = -2*f - 5*w + 11, -4*f + 20 = 5*w for f.
5
Suppose 5*g = 3*c - 68, 2*g + 2*c = 3*c - 28. Let b be ((-6)/(-4))/((-8)/g). Solve 16 - 1 = -2*x - 5*l, b*l + 15 = 0 for x.
5
Let f(p) = -p**3 + 4*p**2 + 19*p - 7. Let h be f(6). Let l = 8 + -3. Solve 2*k - l*b = -h, 4*k + 3*b + 4 = -1 for k.
-5
Let l = 23 + -12. Let q = -8 + l. Solve 0 = -3*w + 2*w + 3*g + 6, 8 = q*w - 4*g for w.
0
Let q = 8 + -4. Suppose -q*u + 37 = -7. Solve y - 2*k = -u, y = -0*k + k - 7 for y.
-3
Let b = 2 - 3. Let m be b*2 - (4 + -4). Let s be (m*1)/(2/(-4)). Solve 6*j - 3*j = -5*x - 34, -4*j = s*x + 32 for j.
-3
Let k be (-3)/(-3)*3/1. Solve i = 2*l - 8, -k*i + 4*i + l - 7 = 0 for i.
2
Suppose 0 = 6*v - 18. Solve 2*u + v*x = 6, -u - x - x + 3 = 0 for u.
3
Let u = 22 - 6. Solve 3*l = h - u, 3*l - h = -l - 20 for l.
-4
Let u(n) = n**3 - 16*n**2 + 15*n + 9. Let f be u(15). Let l = 14 - f. Solve l*r - 4*r + 17 = -5*k, 12 = 4*r for k.
-4
Suppose h - 24 = -3*h. Suppose -2*m + 4 = -h. Solve -4*k - m = -3*y - 37, -y - k = -1 for y.
-4
Suppose 4*s + 0*s = -44. Let x = s + 7. Let j be (-15)/x - 3/(-12). Solve -16 = 4*o + 4*t, -o = -t + j*t + 4 for o.
-4
Suppose 0*m = -m + 3*x - 16, 0 = -5*x + 20. Let h = 2 - m. Solve -2*s + h*d + 9 = d, 6 = 4*s + 2*d for s.
2
Suppose -g = -4*y, 5*g + 5*y + 1 - 26 = 0. Suppose 5 = -s + 2. Let t be (0 - 44)*s/6. Solve 6*p = a + p - 15, -g*a + p = -t for a.
5
Let g = -12 + 17. Let f(y) = y**2 + y - 34. Let k be f(7). Solve 26 = -2*a + g*t, -5*a = -3*a - 4*t + k for a.
-3
Let n(o) = -o**3 - 8*o**2 - o - 10. Let b be n(-8). Let r(w) = -3*w**3 - 1. Let f be r(b). Solve 3*z + 12 = 0, 2*v + v + 5*z = -f for v.
-1
Let y be (-9)/(-6)*(-180)/(-27). Solve -5*i - 2*w + 14 = 0, -i + 5*i + w = y for i.
2
Let k = -11 - -19. Suppose -k = f - 5*f. Solve 4*y = 5*b - 15, 2*y + 14 = -2*b + f for y.
-5
Let v be (-2)/(-6) - (-11)/3. Let d = 63 - 61. Solve 5*f + v = -3*c + d, 4*f = 5*c - 9 for f.
-1
Let h be 16 + -11 - (-1 - -3). Solve 4 = -c - 2*x + 3, 4 = h*c - x for c.
1
Let y be (2 - (-28)/(-4)) + -2. Let t = y + 12. Solve -4*o = t*a + 17, 3*a + 2 = -1 for o.
-3
Let o = -15 - -12. Let f = 3 + o. Solve -2*p - 5*b = f, -2 + 5 = p + 4*b for p.
-5
Let i be ((-76)/(-8))/(3/(-6)). Let p = 23 + i. Solve -2*k = -p*m + 7 - 23, -8 = 2*m - 4*k for m.
-4
Let i be -1 + 0 + (4 - 2). Let u be i + (-2 - -2) - -2. Solve 2*m - u = v, -4 - 1 = 3*v - 2*m for v.
-1
Suppose -n + 0*n + 4 = 0. Let u = n + 21. Solve -3*t - 3*s + 7*s + 29 = 0, -5*s = u for t.
3
Let b(x) be the third derivative of 0*x + x**3 + 0 - x**2 - 5/24*x**4 - 1/60*x**5. Let k be b(-6). Solve -2*c - 2 = -4*n, -c - 7 = -k*n - 4*n for c.
5
Let y(q) be the second derivative of -q**3/2 - q**2/2 - q. Let o be y(-2). Solve -2*w + 8 = 2*w + 2*d, 0 = -2*w - o*d + 12 for w.
1
Let m(q) = q**3 - q**2 - q + 1. Let d(c) = 6*c**3 - 6*c**2 - 7*c + 6. Let g(w) = d(w) - 5*m(w). Let a be g(2). Solve 4 = b + 4*b - 3*v, -5*b = -2*v - a for b.
-1
Let i(u) = u**2 + 10*u + 13. Let k be i(-9). Solve -y - 3*y - 7 = v, 0 = -k*v - 2*y for v.
1
Suppose w = -3*h + 10, -3*w - 30 = 2*h - 5*h. Solve -g - 5*i + 15 = 0, -13 = h*g + 5*i - 2*i for g.
-5
Let u be (-8)/(-12) + 43/3. Let t = 33 - u. Solve t = -3*n + 3*w, n + w = -n - 3 for n.
-3
Let t(k) be the third derivative of k**4/12 - k**3/2 + 3*k**2. Let x be t(4). Solve 2*q - 5*n = 10, 7*n - 4*n = -x*q + 25 for q.
5
Suppose 2*a + 6 = -0. Let p(u) = u**3 - 8*u**2 + u + 5. Let t be p(8). Let j be (-2)/a - t/(-3). Solve j*g + h + 4*h = 10, -3*h + 2 = g for g.
2
Suppose -3*r = 1 - 13. Let t = 7 + -3. Solve t*d - 18 + r = 3*h, 0 = 3*h - 3*d + 9 for h.
2
Let y be 