Suppose 20 = -5*t + 9*t. Solve 0 = -t*c + 15 + 5 for c.

4

Suppose -4*o - m + 121 = 0, 0*o - 3*o = -m - 89. Suppose 4*z + z - o = 0. Solve 3*j = j + z for j.

3

Suppose -1 - 14 = -3*s. Let w(i) = i - 2. Let x(t) = -t + 2. Let m® = s*w® + 4*x®. Let a be m(5). Solve -a*b = 2*b + 15 for b.

-3

Suppose -4*o + 8 = 2*m, 0 = -3*o - 2*m + 5 + 1. Suppose 3*k - 7*k + 5*q + 110 = 0, 2*q = 4*k - 104. Solve -o*z - k = 3*z for z.

-5

Suppose -30 = -3*a - 5*g, -1 = a - 3*g + g. Solve 2*c - 15 = -a for c.

5

Let w(u) = -4*u - 6. Let m be w(-6). Let y = -9 + m. Solve -25 = -4*r + y*r for r.

-5

Suppose 2*k + 33 = 5*k. Let d = 10 + -4. Let n = 10 - d. Solve n*j + 9 = -k for j.

-5

Let v(y) = y**2 - 19*y + 2. Let a be v(19). Let x = 11 - 8. Suppose 0 = -a*n + 5*n - x. Solve -5*d - n = 4 for d.

-1

Let r = 2 - -6. Solve -4*i - r = 4 for i.

-3

Let z(v) = v3 + 7*v2 + 4. Let m be z(-7). Suppose -m*y + 2 = -2. Solve 0 = -u - 5 + y for u.

-4