Let h(a) = -19*a - 1. Let y be h(-1). Let d(j) = j**2 + 6*j - 4. Let t be d(-7). Suppose 0 = -t*o - 6 + 21. Solve -o*z + y + 7 = 0 for z.

Suppose -12*n - 5 + 197 = 0. Solve 3*l = 4 - n for l.

-4

Let q be -2*³⁄₁₈ + (-26)/(-6). Solve 3*y + q = 5*y for y.

2

Let o = -4 + 10. Suppose 3*z + u = o, -1 = 3*z - 4*u - 22. Solve -z*l + 5 + 4 = 0 for l.

3

Suppose 16 + 2 = -3*p + 3*q, q = -2. Let j = p + 11. Solve 5*v = 12 + j for v.

3

Suppose -7 = a + 1. Let x = -10 - a. Let b(u) = u3 + 3*u2 - u + 2. Let z be b(x). Solve -2 - z = -5*d for d.

2

Suppose 2*t = 5*k - 10, -2*k - t + 5 - 1 = 0. Solve 7 = -k*w - 1 for w.

-4

Suppose -7*i + 31 = 3. Solve i*z - 5 = -z for z.

1

Let v® = r**2 - 10*r + 11. Let f be v(9). Suppose 12 = 3*d + 2*h, -6*h + 3*h = f*d - 8. Suppose -5*u - 10 = 0, d*k + 4*u = -0*u - 8. Solve k*i - 2 = -i for i.

2

Let t be ((-2)/(-5))/(¹⁄₁₀). Solve t*u + 1 = 9 for u.

2

Suppose -4*o + 11 - 3 = 0. Let f be (-2 - (-9)/o)*2. Suppose 0 = -x + f*q + 22, 4*x + 2 = -x - 3*q. Solve -x*u = -7*u + 20 for u.

4