Let j = 13 + -7. Let y be ((-45)/j)/3*-2. Solve y*k = k for k.

Let g = 42 - 18. Suppose -g = -3*o + 5*q, 3*o + q = -3*q - 3. Solve -o*p = p for p.

0

Let d = 9 - 7. Let j be -1 - (-2 + (-1 - 9)). Suppose -2 = -w - r + 4, -r + j = d*w. Solve 15 = -2*x + w*x for x.

5

Suppose 0*z = -2*z + 10. Suppose -5*s + 25 = 2*y, 4*s + z*y = 5 + 15. Solve -1 = x - s for x.

4

Let k(g) = g3 - g2 - g + 2. Let z be k(2). Solve z*v + 8 = -0*v for v.

-2

Let o(n) = -3*n3 - n2 + n + 1. Let q be o(-1). Solve q*x = -2*x + 20 for x.

5

Let l be (-3)/((-3)/(-6) - 1). Suppose -4 = l*q - 2*q. Let f be 3 - -4 - (-2)/q. Solve -f*p + 10 + 5 = 0 for p.

3

Let q = 0 - -2. Suppose 4*v + v = -4*a + 19, -31 = -5*a + v. Solve -q*h = h + a for h.

-2

Let v be (-16)/(-2) - ⁶⁄₂. Let z = -5 + v. Solve 0*j + 2*j - 2 = z for j.

1

Suppose p - 2*h = 15, -4*p = 2*h - 0 - 30. Let i(t) = -3*t**3 + t - 2. Let o be i(-2). Suppose -o = -4*v - v. Solve v*f = f - p for f.

-3

Let f(k) be the third derivative of k⁶⁄₁₂₀ - k⁵⁄₃₀ + k⁴⁄₂₄ + k³⁄₃ + 6*k**2. Let c be f(2). Solve -c*r + 0 + 12 = 0 for r.

3