Let r be (2 - 0)/((-10)/(-15)). Solve 7*u - r*u = -20 for u.

Suppose 0 = 3*q + 2*q - 10. Suppose -n = q*n + 5*v - 23, -4*n + 20 = 4*v. Solve n = 2*l - 3 for l.

2

Suppose 2 = 2*d - 0. Suppose d = 3*i - 8. Solve 7*l = i*l + 20 for l.

5

Let v(t) = t3 + 4*t2 - 2*t - 3. Let d be v(-4). Suppose 14 = 3*m + d. Suppose 4*k + 3*z - 27 = 0, z + 1 = k + m. Solve 0 = -k*o - 8 - 1 for o.

-3

Suppose -h - 2*h = 0. Let u be 1*15 - h/(-8). Solve 0 = 4*o + o + u for o.

-3

Let g be (-96)/15 + ⁴⁄₁₀. Let c = 6 + -9. Let f = c - g. Solve f*w = -w - 4 for w.

-1

Let l(h) = -5*h - 1. Let x be l(-4). Suppose 4*f - x = 1. Solve -13 - 2 = -f*g for g.

3

Suppose -6*y + 13 - 1 = 0. Suppose 0*v - 6 = -3*v + 5*p, v - 2 = -y*p. Solve -5*x + 3 = -v for x.

1

Suppose 2*x = -3*l - 2*x + 226, -124 = -2*l + 4*x. Suppose -4*j - 2*h = 3*h - 78, h = -4*j + l. Solve 3*y = -j + 5 for y.

-4

Let i = 6 - 12. Let u be ((-2)/i)/((-2)/(-42)). Let f = u - 3. Solve 0*r - f*r + 12 = 0 for r.

3

Let b = 20 + 1. Solve 0 = -4*j - 1 + b for j.

5