Suppose -3*q + 4*q - 20 = 0. Let a = 8 - 5. Let r be 12/(-16) - a/(-4). Solve -5*u = -r*u - q for u.

4

Suppose -5*m + m = 5*i - 23, 3*m = -2*i + 12. Suppose 2*n - 20 = -5*o, 5*o - 2 = n + i. Solve k - 1 = o for k.

3

Suppose 5*n - 20 = 0, 10 = 4*m + 5*n - 10. Suppose 21 = -3*f + 39. Solve m*t = -3*t + f for t.

2

Let q = 48 + -34. Let f = -8 + q. Suppose -l + 3*k = 7*k + f, 0 = 3*k + 6. Solve -l + 5 = -t for t.

-3

Let l© = c**2 + 15*c - 12. Let k be l(-17). Let x = 28 - k. Solve d = -2*d - x for d.

-2

Let z(x) = x + 6. Let t be z(9). Solve 3*u + 3 = t for u.

4

Let n(t) = -t3 + 3*t2 + 10*t + 12. Let g be n(5). Solve r = -3*r - g for r.

-3

Let d be ((-3)/4)/(25/(-100)). Solve d*k - 5*k + 6 = 0 for k.

3

Let g = 343 + -338. Let i(t) = -t**2 - 7*t - 4. Let d be i(-6). Solve -g*c + d*c = 0 for c.

0

Let x be -2 - (1 - 2)/(-1). Let u = x - -5. Let l be 8⁄2 - (u - 1). Solve t = l + 1 for t.

4