Let r(l) = l - 1. Let x be r(-2). Let q = x + 3. Let n be 4 + q - (2 + -1). Solve 12 = -5*s - n for s.

Suppose -5*t + 37 = 12. Suppose 0*h + 2*h + 2*b = 20, 3*h + t*b = 30. Solve -4*w - w + h = 0 for w.

2

Let v(m) = -m3 + 8*m2 - 8*m + 5. Let g be v(7). Let q be (0 - 1)/(g/4). Suppose -18 = -3*a + h, q*a + h = 12 - 5. Solve a*t - 6 + 31 = 0 for t.

-5

Suppose -2*n = 5*k + 10 + 1, -3*k = -5*n + 19. Let p = 6 + k. Let o(a) = 2*a3 - 21*a2 - 12*a + 16. Let v be o(11). Solve -p = -z - v for z.

-2

Let z© = -c**2 - 14*c. Let i be z(-14). Solve 4*v + 12 - 4 = i for v.

-2

Suppose -2*z = 8, -10 - 6 = 2*y + 5*z. Solve 2 = t - y*t for t.

-2

Let p(t) = -6*t - 78. Let k be p(-13). Solve k = -5*b + 2*b + 3 for b.

1

Suppose 10*p - 24 = 16. Solve -3*n + p = n for n.

1

Let m be 6*7/(⁶³⁄₁₂). Suppose 6*d = 10*d - m. Solve -2*s = d*s + 12 for s.

-3

Let h = 27 + -9. Suppose 3*k = h + 3. Solve -z - k = -2 for z.

-5

Suppose -15 = -6*n + 3*n. Solve -n*p + 1 - 6 = 0 for p.

-1