Suppose 5*r - 2*w = -w + 8, 4 = 2*w. Let f be (4235)/((-4)/(-10)). Solve -25 = r*a + f*a for a.

-5

Let o(t) = -t3 + 9*t2 + 11*t - 10. Let c be o(10). Suppose c = d + 4 - 9. Solve 20 = -d*z + z for z.

-5

Let o = 31 + -22. Let u be (-1)/((o/(-12))/3). Solve -7 = u*h - 3 for h.

-1

Let x be (-2)/3 + 4/(-12). Let t = 0 - x. Suppose -2*k = t - 5. Solve 0 = -0*p + k*p - 10 for p.

5

Suppose 2*d - 4*d - 10 = 0, 0 = j - 2*d - 13. Suppose 0 = -j*r + i + 8, r - 4*i - 26 = i. Solve v - 2*v = -r for v.

1

Suppose -a + 3a = -12. Let u be (a - -7)(1 + -1). Solve r + 0 - 4 = u for r.

4

Let c(v) be the first derivative of 13*v - 4 + 12*v**2. Let s be c(-9). Solve -s*a - a = 0 for a.

0

Suppose -24 = -3*n + n + 4*a, -4*n + a = -13. Solve n*b = b for b.

0

Suppose 16 = -3*s + 7*s. Solve 3*r + 1 = s for r.

1

Let g be (-10 - 1)*2/(-2). Suppose k - 5 = 0, 4*w + 2*k + 5 = 31. Solve 0 = -5*b + w + g for b.

3