Suppose 5*z = 10*z - 105. Solve 4*f = -5 + z for f.

4

Let r be (-14)/28 + 30⁄4. Suppose r*j - 8*j = -3. Solve -j = -h - 4 for h.

-1

Let c(g) = 11*g**2 - g. Suppose -3*k - 4 = -4*s, -2*s + 24 = 3*k + s. Suppose -2 = -2*b + k*b. Let m be c(b). Solve 4*h - h - m = 0 for h.

4

Let z(a) = -a + 10. Let o be z(8). Solve -5 = 3*c + o*c for c.

-1

Suppose 0 = -2*z + 9 - 1. Suppose -h + 2 = h. Let o be 2 + -4 + h + 11. Solve z*m = -10 - o for m.

-5

Suppose -10 = -5*s, 0*d - s = 4d + 10. Let j be 4-1 - -1 - d. Solve j = x - 2*x + 4 for x.

4

Suppose -l = -6*l - 20. Let z be 1/l + (-26)/(-8). Solve z = d + 4 for d.

-1

Suppose 2*w - 7*w = 0. Suppose -j - 2 + 5 = 0. Let k(s) = 2*s - 3. Let u be k(j). Solve 0 = -w*r + u*r - 9 for r.

3

Let a(d) = d**2 + 5*d + 2. Let v be a(-5). Solve 2*i - v = -4 for i.

-1

Suppose 0 = -0*u - 5*u + 20. Solve o - u = -0 for o.

4