Let r(t) = 3*t + 12 + 4*t - 8*t. Let x be r(7). Solve 4*q - x = -q for q.

Let c be 0/1 - (-4 - 0). Suppose 3*m = -4*x + 91, 3*m - 4*x = 19 + 40. Solve -t = c*t + m for t.

-5

Let a(q) be the second derivative of q⁵⁄₂₀ - 5*q⁴⁄₁₂ + 3*q**²⁄₂ - 3*q. Let j be a(5). Let w = 2 + 0. Solve -j*n - w*n = -10 for n.

2

Suppose -15 = -3*d - 3. Let u be ((-18)/(-30))/(²⁄₂₀). Solve 2*i - d = u*i for i.

-1

Let o be (0 + 2 - 1)*2. Suppose -5*i + 10*i - 5*p = -5, o*p - 30 = -5*i. Suppose -k + 5*k + i*c = 44, -10 = -2*c. Solve -3*l - 9 = k for l.

-5

Let u = 60 - 58. Solve q = -u*q for q.

0

Let w© = 25*c**2 - c + 1. Let y be w(1). Solve 6*q = q - y for q.

-5

Suppose 24 = 4*y + 8. Solve -x = -y*x + 12 for x.

4

Let b be (-6)/(-5)*(-50)/(-15). Solve 0 = -9*j + b*j - 15 for j.

-3

Let y be (-36)/(-10) + ¹⁸⁄₄₅. Solve a = y*a - 15 for a.

5

Let v be -3 + (-4 - -2) + -1. Let p be (-21)/v - 1/(-2). Solve l = 5*l + p for l.

-1