Suppose 5*f = s - 0*s - 20, 5*f + 20 = -s. Let r be 8⁄12 + (-56)/(-6). Solve 5*d + s*d = r for d.

2

Let j = -2 + 4. Suppose -j*c + 2 = -2*z - 0*z, 2*z = c - 2. Solve -2*i - i = c for i.

0

Suppose -f = -0*f + 1, 2*f = -5*q + 13. Let t(n) = -n**2 + 9*n - 12. Let p be t(7). Solve -13 = -p*d - q for d.

5

Let r(u) = -u2 + 4*u - 4. Let o be r(2). Let j(x) = -x3 - 3*x**2 + 4. Let w be j(-3). Solve o = -i + w*i + 15 for i.

-5

Let u(l) = l**2 - 8*l - 4. Let i be u(9). Suppose 6 = -2*z + 5*z. Solve z - 7 = i*b for b.

-1

Let m = 4 + -10. Let u be 4/m*(-150)/20. Let p = -1 + 1. Solve -u*j + p*j = -10 for j.

2

Let o(h) = -2*h - 12. Let z be o(-6). Solve 0*u + 2*u - 10 = z for u.

5

Let l be (-21)/7*(-8)/(-6). Let p(s) = -s**2 - 8*s - 10. Let w be p(l). Solve -4*n = -n - w for n.

2

Let n be (32/(-10))/(-4)*35. Let c = n - 21. Solve 0 = 4*h - c - 1 for h.

2

Suppose -f + 3 + 3 = 0. Let c be (-4)/6 + 10/f. Solve -5 = -l - c for l.

4