Let k = -9 - -9. Solve k = r - 2 for r.

2

Suppose 4*f - 5*n = -8, -f - 8 = 3*f + 4n. Let y be (39 + -9)(-1)/f. Solve 6*i + y = i for i.

-3

Suppose 0 = -5*i + 4*u + 91, -u - 83 = -5*i + u. Suppose 5*o + 0*g - 2*g - 23 = 0, -5 = -2*o + 5*g. Solve 0*s - o*s = -i for s.

3

Let z = 54 + -50. Solve 5*b - z*b + 5 = 0 for b.

-5

Let s(l) = -l3 - 11*l2 - 25*l. Let a be s(-8). Suppose 5*d + 5*r = 25, -4*d - 2*r + 10 + 4 = 0. Solve 0*z - d*z = -a for z.

4

Suppose 0*k - 8 = 4*k. Let a = k - -2. Solve o = -a*o for o.

0

Let t be ((-145)/(-58))/((-5)/(-12)). Let g = 19 - 13. Solve t*j - g = 3*j for j.

2

Suppose k - 3 = -i, -3*k - 2*i = -2*k - 4. Solve 0 = k*b + 4 + 2 for b.

-3

Let q(f) = -3*f2 - 7*f + 7 + 4*f2 + 1 + 1. Let k be q(6). Solve k*g - 5 = 4 for g.

3

Suppose 0 = 3*o + a - 14, 0 = -5*o + 3*a + 2*a + 50. Let u = o - 3. Solve -u*b + 5*b = 0 for b.

0