Let r be 20⁄90 - 86/(-18). Suppose -2*y - 4*b = 3*y - 4, r = -2*y + 5*b. Solve 0 = -2*z - y*z - 6 for z.

-3

Let y(m) = m + 5. Let r be y(4). Solve 2*t + t = -r for t.

-3

Let v(z) = 9*z - 13. Let m(g) = -4*g + 6. Let x(u) = 7*m(u) + 3*v(u). Let c be x(0). Solve -13 = c*l - 4 for l.

-3

Let a(i) = i3 + 7*i2 + 9. Let k be a(-7). Let z be 4*-1 + 6 + k. Solve -z - 9 = -5*x for x.

4

Suppose 7*a = 3*a + 16. Let b = -30 - -34. Solve b*h - 4 = a for h.

2

Let f(p) = -p3 - 12*p2 + 11*p - 26. Let k be f(-13). Solve -2*v + k = -4 for v.

2

Let r = -52 - -52. Solve -20 = -r*w - 4*w for w.

5

Suppose -20 = 4*j, 5*j + 21 + 0 = -2*u. Suppose -3*k = u*k. Suppose m - 3 = -k*m. Solve m*h - h = -6 for h.

-3

Suppose u + 0 = -5, -3*l + 19 = -2*u. Solve 5*t = l*t for t.

0

Let z be (-2)/1*(16 - 17). Solve -3 = z*v + 5 for v.

-4