Let n = -4 + 10. Solve -5*y + 31 = n for y.

Let q(s) = 3*s**2 - 4*s + 4. Let c be q(4). Let z be c/16 - ³⁄₁₂. Solve 15 = z*k + 3*k for k.

3

Let f(z) = -4z. Let k be f(-1). Let j be (³⁸⁄₁₄ + -3)-7. Suppose j*d = -0*y + 4*y - k, 0 = -4*y + d + 8. Solve -t - y*t = -12 for t.

3

Suppose 4*y + 1 = -b, 2*b + 2*b - 5*y - 17 = 0. Suppose -k = -6*k. Solve -n - b*n = k for n.

0

Suppose 2*n - 52 = -4*x, 5*n + 55 = 5*x + 10*n. Let t be (-1 - 3)/((-4)/6). Solve x = -t*i + i for i.

-3

Let j® = 2*r3 + 7*r2 - 7*r + 8. Let i© = -3*c3 - 7*c2 + 7*c - 8. Let l(x) = 3*i(x) + 4*j(x). Let w be l(6). Solve -w*n + 8 = 2*n for n.

2

Let y(b) = b3 - 13*b2 + 3*b - 25. Let l be y(13). Solve l + 1 = 3*p for p.

5

Let f© be the first derivative of c³⁄₃ + 7*c²⁄₂ + 6*c + 1. Let v be f(-6). Solve v*l = -5*l + 20 for l.

4

Suppose -t = -2*c + 14, -2*t + 1 - 24 = -3*c. Solve 0 = -c*m + 17 + 3 for m.

4

Let l(a) = 5*a2 - a + 9. Let h(m) = 3*m2 + 5. Let s© = -7*h© + 4*l©. Let f be s(-3). Let t = 14 - f. Solve 0 = 4*y - 2 + t for y.

-2

Let n be ((-4)/10 - 0)*-5. Suppose 2*v - 27 = 5*h, -5*h = -7 + n. Suppose -2 - 4 = -i. Solve -i*z = -2*z - v for z.

4