Suppose 0*r + 5*r = -3*r. Solve 5 = 5*f - r for f.

Let g(n) = -n3 + 4*n2 + 8*n - 9. Let c be g(5). Solve -z - 2*z + c = 0 for z.

2

Suppose 147 + 1 = 4*v. Let r be 10/(-35) - v/(-7). Solve 2*n = -3 + r for n.

1

Let v = -25 - -35. Solve v = -5*o - 15 for o.

-5

Let l be 10 + 2/(-2) - 3. Let i = 8 - 5. Solve 0 = l*n - i*n for n.

0

Let h(s) = s**2 - 3*s. Suppose 2*v = 3*p + 1, -5*p + 3*p - 3*v = -21. Let i be h(p). Solve i = 2*b - 0*b for b.

0

Let a(f) be the second derivative of -f⁴⁄₁₂ - 5*f³⁄₂ - 6*f**2 + f. Let o be a(-14). Solve t = -o - 2 for t.

-4

Let g be ((-20)/75*-5)/(⁴⁄₁₈). Solve h = -h - g for h.

-3

Let o© = 5*c - 13. Let s be o(4). Solve s*l - 10*l - 9 = 0 for l.

-3

Let y be -4 - -4 - -3 - -6. Solve -3*j - y = -6*j for j.

3

Let x(z) = -z3 + z2 - 1. Let j be x(-1). Let s be 2 + -2 - (-1 - j). Suppose g + s*g = 60. Solve -2*u = 3*u - g for u.

4