Let b = 21 - 18. Suppose -3 = -2*w + b. Solve 4*h - w = h for h.

Let r = -524 + 527. Let c(y) = -17*y. Let t be c(-1). Solve -t = -r*k - 5 for k.

4

Suppose -5*l + 0*p + 75 = -4*p, 0 = -2*l - p + 17. Let n = -7 + l. Solve 0 = -n*h + 9 + 11 for h.

5

Suppose -5*c = -4*c. Suppose c = 4*a + 4*u - 4, -5*a - 3*u + 1 = -2. Suppose k + 3*k - 20 = 0. Solve -2*y + 7*y - k = a for y.

1

Let m(a) = a3 + 5*a2 - 5*a + 8. Let w be m(-6). Solve w*r = -r - 6 for r.

-2

Let m(n) = -n**2 + 6*n + 16. Let p be m(8). Solve p = -2*c - 0*c for c.

0

Let t(m) be the second derivative of -m³⁄₆ + 4*m2 - 2*m. Let h = 9 + -3. Let b be t(h). Solve -c - b*c - 12 = 0 for c.

-4

Let k be ³⁰⁄₁₈*⁶⁄₅. Solve k*z + 8 + 0 = 0 for z.

-4

Let y be (²⁰⁄₂₄)/(⁶⁄₃₆). Solve 25 = -0*s + y*s for s.

5

Let g be ⁵⁄₂ - ¹⁄₂. Let a(s) = s**2 + 4*s + 1. Let r be a(-4). Let k be (9 - 10) + (r - 0). Solve k*n + g*n = -8 for n.

-4

Let z(u) = u3 - 6*u2 - 6*u - 2. Let w be z(7). Let o® = -r + 3. Let d be o(w). Let h be (-142)/(-12) + d/(-12). Solve -2*l = -5*l + h for l.

4