Suppose -5*a = 3*i - 21, -3*i + 7*a = 4*a + 3. Solve -2*x + 4 = i for x.

Let f = 25 + -17. Suppose -7 = 5*w + f. Let t = 6 + w. Solve -25 = 2*k + t*k for k.

-5

Let c(z) = 6*z + 41. Let y be c(-5). Solve w = -y + 15 for w.

4

Let c(q) = 8*q3 - 4*q2 - 2*q + 4. Let t(i) = 7*i3 - 3*i2 - i + 3. Let y(k) = 2*c(k) - 3*t(k). Let h be y(-1). Solve 0 = -v + 3*v - h for v.

3

Suppose 7*i - 5*i - 8 = 0. Solve -i*a + a + 12 = 0 for a.

4

Suppose 5*t = -z + 40, -5*t - 2*z + 30 = -3*z. Solve -t*h = -3*h - 8 for h.

2

Suppose 5*y - 15 - 5 = 0. Suppose 12 = y*o - o. Suppose -3*c - 2 = -o*c. Solve j = -c*j for j.

0

Suppose 4*z + 4 = 2*j - 22, 2*z + 2*j + 28 = 0. Let y be z/(-4) - ²⁄₈. Suppose -2*w = -1 - 1. Solve -w = y*m + 9 for m.

-5

Let h be 4 + -3 + (0 - -1). Suppose 5*i = -m + 54, -3*m - 50 + 160 = h*i. Suppose -m = -4*k - 2. Solve t = -3*t - k for t.

-2

Suppose 4*u = 4, -2*u + 0 + 14 = -4*s. Let x be (¹²⁄₁₀)/(s/(-10)). Let y(h) = 3*h - 10. Let b be y(7). Solve 9 = x*v - b for v.

5

Let d(w) = w**2 + 3*w + 5. Let r be d(-4). Solve 0*c - r = -3*c for c.

3