Suppose -5*z = -4*j + 3, -4*j + 3*z + z = -8. Solve 2*u - j*u = 0 for u.

Let f be ²¹⁄₂ - (-2)/(-4). Let g = 10 - 18. Let d be (⁴⁄₅)/(g/(-60)). Solve -d = -4*a + f for a.

4

Suppose -2*p + 4*x = 20, 0 - 10 = -5*p - 2*x. Suppose -2*t + p = -4. Suppose 2*k = -2*k - 3*z + 30, -z + 2 = 0. Solve t*y = k*y + 12 for y.

-3

Let z = -48 - -56. Solve -x + z = x for x.

4

Let j(f) = -f**2 + 9f - 5. Let h be (-32)/6(-9)/6. Let i be j(h). Solve -a = i*a + 16 for a.

-4

Let j be (-12)/(-20) - 7/(-5). Suppose -m + j*i = -3*m + 32, m - 4*i - 6 = 0. Let p = 22 - m. Solve 0 = 4*y + 12 + p for y.

-5

Let q(h) be the first derivative of -h⁴⁄₄ - 3*h3 + 5*h**2 + 4*h + 2. Let s be q(-10). Solve -25 = -s*v - v for v.

5

Let n = 17 + -29. Let z = -33 - -54. Let s = n + z. Solve -v - 2*v = s for v.

-3

Suppose 0 = -16*s + 19*s - 24. Solve 4*q = -0*q + s for q.

2

Suppose -5*m + 9 = -6. Let b be -1 + (5 - (3 - 1)). Solve -b*v + m = -3*v for v.

-3

Let j(p) = -p**2 + 7*p + 2. Let t be j(7). Solve c = -t*c for c.

0