Suppose -3*r + 21 = 3*s, 0*s + 4*r = 4*s - 68. Let m = -59 + 67. Solve 4*h + m + s = 0 for h.

Let l(v) = v3 - 4*v2 + 4*v. Let w be l(3). Let k = 0 + w. Solve 9 = k*u - 0*u for u.

3

Suppose -5*s + 16 = -2*n, 2*n + 3*s = 16 - 0. Suppose n = -y + 6. Suppose -a - 13 = 5*r + 12, y*a = 3*r + 15. Solve a*b - 5 = -b for b.

5

Let b(p) = -p + 20. Let j be b(17). Let q = 5 + -8. Let c = q - -7. Solve 2*d = j*d - c for d.

4

Suppose 0 = 3*p - 0 - 12. Solve 4*x - p = 16 for x.

5

Let r be 21 - 5 - (3 + -1). Let h(s) = 5*s2 - s3 - s + s + 3 - r*s**2. Let w be h(-9). Solve -j - w = -5 for j.

2

Let g be ((-40)/(-30))/(¹⁄₂₁). Solve -4*s = -g + 8 for s.

5

Suppose 0 = -4*p + 32 - 12. Suppose -p*f + 8 = -2. Solve 3*g - g = f for g.

1

Suppose 12*u = 14*u. Solve 3*p - 4*p + 3 = u for p.

3

Let z be (-1 - 2) + 15 + -13. Let i = -2 + 5. Let f be z/i - (-4)/12. Solve 0 = -f*v - 5*v - 15 for v.

-3

Let f be (-26)/(-6) - ¹⁶⁄₄₈. Solve 0 = -5*w - f + 14 for w.

2