Suppose -4*a = 2*c - 20, -c - 3*a - 21 = -4*c. Let w = -3 + c. Let q = w + -1. Solve q*u = -1 - 3 for u.

-1

Suppose -5*c = -4*i - 2 - 3, -3*c + i + 10 = 0. Solve c*z - 7*z = -4 for z.

2

Let u = -26 - -36. Suppose 4*j = -2*c + 4, -5*j = -3*j + 4*c + u. Solve 2*g = 3*g + j for g.

-3

Suppose c - 5 + 0 = 0. Suppose 0 = -2*l - c*b + 2*b - 5, 2*b = 2*l. Let v be (l + -2)*1/(-1). Solve 9 = 3*m - v for m.

4

Let c(d) = -d3 - d2 - d + 4. Let m(f) = -f - 1. Let j be m(-1). Let k be c(j). Solve 0*w - 12 = k*w for w.

-3

Let r(f) = 2*f + 2. Let m be r(0). Solve -m*h - 5 = -3*h for h.

5

Suppose 4*f - 14 = 2*n, -3*f - 16 = -7*f. Suppose -3*i = -4*u - 1, 4*i - 4 = 5*u - u. Let z = i - n. Solve z = -s - 0*s for s.

-2

Let m(j) = -3*j - 28. Let d be m(-12). Solve -3*s + 20 = -d*s for s.

-4

Let u be (-1)/(-1)-3(-35)/21. Solve -c = u - 2 for c.

-3

Let u(p) be the third derivative of -p6⁄120 - 7*p5⁄60 - p4⁄24 - 2*p3⁄3 - 10*p**2. Let o be u(-7). Solve o*r - 7 - 2 = 0 for r.

3