Suppose -4*c - 2*z + 13 = -15, 2*z = -3*c + 23. Solve -r + c*r = 16 for r.

4

Let z be -12*(-2 + (-15)/(-10)). Solve 2*a - 5*a = z for a.

-2

Let b be (-85)/(-30) - (-2)/12. Let k© = c3 - 4*c2 + 2*c + 3. Let x be k(b). Solve o + x + 4 = 0 for o.

-4

Let o(n) = -2*n**2 + 15*n + 8. Let w be o(8). Solve -2*a = -w - 4 for a.

2

Suppose 0*u + 5*j = 5*u + 5, 0 = -u + 4*j - 7. Suppose 0 = -2*z + 4, d + 2*z - 6 = 1. Solve -h + d = u for h.

2

Suppose 3 = 2*y - 4*y - d, -d = 5*y. Solve y = 4*p - 19 for p.

5

Suppose w - 37 = -3*n, -w + 3 = 2. Solve -2*i = i - n for i.

4

Let o(w) = 2*w**2 + 3*w. Suppose -3*c = 4 + 2. Let q be o©. Let j be 0/2 - (1 + -4). Solve 5 = -j*x + q for x.

-1

Let v(m) = -m + 2. Let c be v(-6). Suppose -c = -4*a - 0*a. Suppose -30 = -4*o + 2*o. Solve o = -t - a*t for t.

-5

Let x = 4 + -5. Let o be 12*x*4/(-6). Let u = o - 3. Solve y = u*y - 12 for y.

3