Suppose -20 = -2*i + 4*a, 4 = -3*i - 3*a + 7. Solve -q = i*q + 20 for q.

Let d(p) = -p3 + p2 + 2*p. Let v be d(2). Let t be 2 - (-3)/(3 - v). Solve 0*r + t*r - 9 = 0 for r.

3

Suppose 0 = -14*a - 70 + 168. Solve -4*r - a = -23 for r.

4

Let o = -30 + 36. Solve 2*m + o = -m for m.

-2

Let x be (-114)/(-27) - (-2)/(-9). Solve -2*s + x*s = -8 for s.

-4

Let i be -1*2/(3 - 1). Let v = i - 1. Let w be v/(-7) + (-10)/35. Solve w = -2*g - 2*g - 8 for g.

-2

Suppose 3*g = 4*d + 7 - 28, -d = -5*g - 18. Solve d*f + 0*f - 3 = 0 for f.

1

Suppose -3*a = 2*a + 15. Let x be (-3 - a)/(2 + -1). Solve n - 4*n = x for n.

0

Let f be ²⁴⁹⁄₁₂ - (⁵⁄₄)/(-5). Solve -f + 6 = -5*p for p.

3

Suppose 14 = -10*m + 17*m. Suppose -19 = -3*j + 14. Solve -j = -3*v - m for v.

3

Let u = 28 + -17. Let v(q) be the first derivative of q**²⁄₂ - 11*q - 7. Let z be v(15). Solve -9 - u = -z*k for k.

5