Suppose -4*i + 57 = i + 4*t, -10 = 5*t. Let y(r) = -r + 13. Let x be y(i). Solve -2*z + z = x for z.

Let z be -1 + 0 + (-1)/(-1). Suppose -j + 0*j = 0. Suppose z*x + 4*x = j. Solve x*r - 4*r = -12 for r.

3

Suppose -24 = -2*h + 16. Suppose a - 4*a - 4*c = -24, -2*a - 4*c = -h. Solve 2*v = -2*v - a for v.

-1

Suppose q = 3*q. Solve -a - 4*a - 15 = q for a.

-3

Suppose 0 = 5*v - 15, -3*v - 4 = 3*x + 2. Let z = x + 10. Solve 2 = z*a + 7 for a.

-1

Let m(t) = 19*t**3 - t. Let j be m(1). Let h = j + -13. Solve 0 = h*u - 16 - 9 for u.

5

Let k© be the second derivative of -c⁵⁄₂₀ + c⁴⁄₃ + c³⁄₃ - 3*c²⁄₂ - 3*c. Let n be k(4). Solve 0*o - n*o = 0 for o.

0

Let y(s) = -s3 + 4*s2 + 2*s + 3. Let b = -7 + 11. Let v be y(b). Solve 4*h = v + 1 for h.

3

Suppose 5*n = -3*k + 9, 2*n - 9 = -0*n - 3*k. Solve n = -4*m - 5 + 9 for m.

1

Suppose 0 = 2*i + 2*d - 30, i + 5*d = 2*d + 25. Suppose 3*a - 4 = 2. Solve 4*j - a*j - i = 0 for j.

5

Suppose -31 = -3*y - 4*d, -7*d + 12 = -4*d. Let k(q) = q**2 - 3 - y*q + 4*q + 6*q. Let x be k(-6). Solve -u + 10 = -x*u for u.

-5