Let h = -4 - -12. Solve -4*w - h = 8 for w.

-4

Let m(g) = 2*g**2 - 2*g + 1. Let l be m(2). Suppose 5*n + 5*r = 30, l*n + 3*r = n + 20. Solve -n*s - s - 15 = 0 for s.

-5

Let f(q) be the first derivative of q3⁄3 - 3*q2 + 1. Let i be f(6). Solve -5*k - 15 = -i*k for k.

-3

Let m® = 14*r - 6. Let k be m(1). Solve -k = -3*q - 2 for q.

2

Let w(i) = -3*i - 1. Let h be w(3). Let q = h - 0. Let m = q + 18. Solve 2*f + 0*f = m for f.

4

Let v(y) = y**2 + 13*y + 5. Let c be v(-13). Solve -4 = -9*d + c*d for d.

1

Let o = 10 + -7. Solve -o*l = -7*l - 20 for l.

-5

Suppose -3 = -5*j + y + 28, 0 = -5*j + 2*y + 27. Let c(u) = 4*u**2 - 2*u - 2. Let g be c(-1). Solve -v - j = -g for v.

-3

Let w be (-6)/(-3) - (-4)/2. Suppose w*t - t = -2*z, 0 = t + 3*z. Solve h + t*h + 4 = 0 for h.

-4

Let q = 0 + 0. Solve -x = -4 - q for x.

4