Suppose 5*n - 3*m = 7, 3*n - 6 = 2*n - 4*m. Let t(r) = -9*r - 4 - 2*r**2 + r**n - 5. Let f be t(-7). Solve -f*a - 20 = -a for a.

Let z be (-44)/(-30)*3 - ⁶⁄₁₅. Solve z*y = 2*y + 10 for y.

5

Let t = 5 - 2. Let u© = -c3 + 5*c2 - 3*c + 1. Let b be u(t). Solve -x - b = x for x.

-5

Suppose -2*z = -4*y - 20, 0*y = 3*y + 2*z + 1. Let x be ¹⁸⁄₂ + 2/(-1). Let j = x + y. Solve u - j*u = 0 for u.

0

Suppose 3*t + 28 = 10. Let l = t - -6. Solve l = p - 3*p for p.

0

Let o = 15 - 9. Let a = 13 - 4. Solve -o*g + 3*g = -a for g.

3

Let g(x) = -x3 + 3*x2 - 2*x + 1. Let d be g(1). Suppose -4*i = -9 + d. Suppose -3*q - 5*r + 5 = 2*q, -5*q - 2*r = -i. Solve 4*z = -q + 12 for z.

3

Let s(f) = -f3 + 7*f2 + f - 2. Let i be s(7). Solve -18 - 7 = -i*o for o.

5

Let n be (-2)/((⁸⁄₁₅)/(-4)). Let v = n + -10. Solve v*w - w + 4 = 0 for w.

-1

Let s = 12 - 12. Solve s = -4*q + 6*q for q.

0

Suppose 0 = s - 1, 4*s - 3 = 3*m - 2. Suppose -z = -w + 16 + m, -3*w - 5*z = -51. Solve -w - 8 = -5*d for d.

5