Let h = 12 - 7. Suppose 0 = 2*z - h*z. Solve 3*d + 3 = -z for d.

-1

Suppose i + a - 4*a - 9 = 0, 5*a + 9 = i. Let c = i - 5. Suppose c*u - 4 = -0*x + 2*x, -3*u - 2 = -4*x. Solve -2*f - u + 0 = 0 for f.

-1

Let n be (-24)/(-14) - 2/(-7). Suppose s - 3*p + 4 = 23, 2*s = -2*p + 6. Solve -n*z - 15 = -s for z.

-4

Let o = 31 - 26. Solve -4*c = -o*c + 1 for c.

1

Let j(z) = 2*z - 10. Let v be j(6). Solve v*y - y = 5 for y.

5

Let m(v) be the first derivative of v4⁄4 - 10*v3⁄3 + 9*v**2⁄2 + 2*v + 1. Let a be m(9). Solve 0 = 4*r - a - 2 for r.

1

Let d = 31 - 26. Let g = d + -4. Solve -g = -2*n + 1 for n.

1

Let j(s) = s3 + 2*s2 - s + 4. Let x be j(-3). Let z be (1 + x)/((-3)/18). Solve -z = -3*d - 0 for d.

2

Let m(l) = -l3 - 6*l2 + 7*l. Let q be m(-7). Let d be 7/(21⁄6)*2. Solve q = d*j - 8*j - 8 for j.

-2

Let o(l) = l3 - 5*l2 + 4*l - 2. Let a be o(3). Suppose -2*x = 4*k - 23 - 15, x = -5. Let u = a + k. Solve 4*n + 0*n - u = 0 for n.

1