Let j be (45/(-12))/(2/8). Let r = -9 - j. Solve z - r = -2*z for z.

Suppose -7 + 61 = 9*t. Solve t*k + 20 = 2*k for k.

-5

Let x(t) = 2*t + 2. Let q be x(0). Solve q*y = -2*y for y.

0

Let h© be the third derivative of c⁵⁄₁₀ - c³⁄₆ + 2*c**2. Let g be h(-1). Solve -11 = g*z - 36 for z.

5

Suppose 4*z = k + 2*z + 2, -k + 2 = 2*z. Solve k*l = -5*l for l.

0

Let n = 38 + -36. Solve -3*x = n*x + 5 for x.

-1

Suppose -2*m + 5*m = 15. Solve m*x = x + 8 for x.

2

Let j be (-60)/(-35) + ⁶⁄₂₁. Suppose -j*q + 2*r = -14, -q + 4*r - 6 = -22. Solve 0 = -x + 3*x + q for x.

-2

Suppose -3*v + 5*w + 14 = 0, 7 - 21 = -4*v + 2*w. Suppose 4*c - d - d = 48, 26 = v*c + d. Solve 0 = 2*p - 0*p - c for p.

5

Let z(f) = -2*f3 - 10*f2 + f + 8. Let x be z(-5). Solve -x*t = t for t.

0

Suppose 10*m - 2 = 8*m. Solve 5*a = -m - 9 for a.

-2