Suppose 9*s = 7*s + 18. Solve 0 = -5*z - 4 + s for z.

Let j® = -r3 - 4*r2 + 2*r. Let i be j(-5). Solve 0*u = -3*u - i for u.

-5

Suppose -45 = -12*f + 7*f. Let j be 24/f + (-8)/12. Let z(q) = q3 + q2 + 6. Let c be z(0). Solve -j*x + c = -0*x for x.

3

Let m(h) = -h + 7. Let z be m(0). Suppose -z*i + 15 = -4*i. Solve 2 - i = 3*t for t.

-1

Let w be (1/(-4))/((-4)/80). Solve 20 = -w*d + 5 for d.

-3

Suppose 5a - 2 - 28 = 0. Suppose -j = j - a. Let i be (-10)/(-3)(2 + 1). Solve 0 = j*u + i - 1 for u.

-3

Let j = 22 + -23. Let l(u) = u**2 - 2*u - 1. Let q be l(j). Solve 1 = 3*t - q for t.

1

Suppose -26 = -16*l + 22. Suppose 0*r - 5*w = -3*r + 20, 0 = 2*w + 2. Solve -l = r*y - 8 for y.

1

Let v = -71 + 79. Let x© = -c2 + 8*c + 1. Let u(i) = 6*i2 - 41*i - 4. Let a(j) = -2*u(j) - 11*x(j). Let g be a(-4). Solve -v = -g*l + 2 for l.

2

Let o be (2*(-50)/(-12))/(⁵⁄₁₅). Solve 7*y - 2*y - o = 0 for y.

5

Let j(x) = -x2 - 7*x - 8. Suppose -4 + 2 = -k. Let p© = -c2 + 1. Let o(i) = k*p(i) - j(i). Let s be o(8). Solve -s*f + 12 = f for f.

4