Suppose -8*u = -2*u. Solve 4*m + u*m = 20 for m.

5

Let q = 9 + -9. Solve 2*j + 0*j - 10 = q for j.

5

Suppose 2*z + 60 = 4*z. Suppose 3*u + 0*u - z = 0. Solve -u = -7*h + 5*h for h.

5

Let k(u) = -9*u + 9. Let l(v) be the second derivative of -5*v3⁄6 + 2*v2 + 3*v. Let j(w) = -4*k(w) + 7*l(w). Let d be j(9). Solve 3*t = -5 - d for t.

-2

Let f = 10 + -7. Suppose -5*y + 55 = 5*k, -f - 10 = 2*k - 5*y. Solve 4 = k*c - 2*c for c.

1

Suppose 3*a = 5*v + 5 - 1, 4*v - 4 = 0. Suppose 0 = -o - n, -a*o + 2*n + 3 = -4*o. Let r(t) = -t3 - 4*t2 - t - 2. Let f be r(-4). Solve h = f + o for h.

5

Suppose 2*r - 2*a - 16 = 0, -5 - 19 = -3*r - a. Solve 3*y - 1 = r for y.

3

Let x be (-5)/(-20) - (-35)/4. Solve -x + 4 = 5*p for p.

-1

Let n(a) = -a3 + 9*a2 + 2*a - 14. Let s be n(9). Solve 5*l = -s - 11 for l.

-3

Let y = -8 + 10. Suppose -32 = -2*i - y*i. Suppose -f + 4 = -0. Solve 0 = f*k - 12 - i for k.

5