Suppose -5*h + 20 = y, y + 3 - 20 = -4*h. Solve y*t - 5 = 5 for t.

Let v(y) = 4*y - 4 + 15 - 5*y + 8. Let b be v(13). Solve -18 = -4*d - b for d.

3

Let k(h) = 23*h - 1. Let n be k(1). Let o be (1/(-2))/(2/(-4)). Let w be n/((3 - o) + 0). Solve -2*q - 3 + w = 0 for q.

4

Let d© be the second derivative of -7*c⁶⁄₇₂₀ - c⁵⁄₄₀ - c**⁴⁄₆ - c. Let p(a) be the third derivative of d(a). Let m be p(-2). Solve 0 = -2*n - 3 + m for n.

4

Let y be ⁷⁄₅₆ + (-15)/(-8). Solve y*j + 0 + 2 = 0 for j.

-1

Suppose 3*w = 2 + 7. Solve 4*s + 5 = w*s for s.

-5

Suppose 0 = 3*o + 4*r - 2 + 10, 0 = -2*o - 5*r - 10. Suppose 2*z - 6*z = o. Solve z = h + 1 - 2 for h.

1

Let f(l) = l + 1. Let h be f(0). Solve -h = -5*w - 21 for w.

-4

Suppose 3*s - 9 - 3 = 0. Let k be 1*4/(-2) - -2. Solve -s*l + 6 - 26 = k for l.

-5

Suppose -o + 3*b + 25 = -2*b, b = -5*o - 5. Solve 3*w - 6 = -o*w for w.

2

Let b be 8*(-1 + (-6)/(-4)). Solve b*k = -8 + 20 for k.

3