Suppose t + 2*t = 42. Suppose 0*y + 35 = 5*y - 4*u, -2*y + t = 5*u. Solve y = -2*b - 3 for b.

Suppose r = -2*u + 2 - 10, u = r - 7. Solve r*w - w = 4 for w.

4

Suppose -3*w + 36 = 2*a + 7, -2*a - 4*w + 26 = 0. Suppose -2*q = -i + a, 3*i - 12 = -q + 24. Solve i - 33 = -5*s for s.

4

Suppose 0 + 3 = o. Solve -o*m = -6*m - 15 for m.

-5

Let i = 9 + -7. Suppose s + c + 60 = 4*s, -i*c = 0. Solve -4*r = r - s for r.

4

Let x(l) = 7*l2 - l3 - 4 - 5*l - 2*l2 + l2. Let p be x(4). Solve -v + 3*v = -p for v.

-4

Let t be (0 + 8)/(²⁄₅). Solve 3*d = -d + t for d.

5

Let o = -13 - -5. Let n be o/(-1)*(-2)/(-4). Let j = n + -4. Solve 6*g - g - 15 = j for g.

3

Suppose 8 = -2*d, b + 5*d = -12 - 0. Let r = -4 + 6. Suppose -b = -r*v + 2. Solve 4*m = 3*m - v for m.

-5

Let b(q) be the third derivative of q⁶⁄₁₂₀ + q⁵⁄₁₂ - 7*q⁴⁄₂₄ + q³⁄₃ - q**2. Let o be b(-6). Let d = -114 - -114. Solve d*n - 2*n - o = 0 for n.

-4

Suppose x + 4*r + 18 = 0, 2*x + 3*r = -x - 9. Suppose -3*w + 46 = 2*z + 3*z, -z + 12 = 2*w. Solve -x*d + 0*d = z for d.

-4