Let v be (1 - -1)/(212). Let j = 22 - v. Solve -2*f + 0*f + j = 0 for f.

5

Let n be (4/(-5)*-5)/(-2 + 3). Solve -3 = -n*r + 9 for r.

3

Let g = -148 + 154. Suppose 4*s - 3*w + 7*w - 4 = 0, -4w = -s - 14. Let r be -2(11/s + 1). Solve -3*o - r = -g*o for o.

3

Suppose -1 - 16 = -5*v - w, 0 = 4*w - 8. Solve 0 = -v*y - 7 + 1 for y.

-2

Suppose 3*f - 48 = 9. Suppose -3*i = -q - f + 5, i - 3*q = -6. Solve -i = -2*u - 0*u for u.

3

Suppose -2 = k - 5. Let g(w) = -k*w + 3 + 4*w - 5*w. Let x be g(-3). Solve 0*a + 3*a - x = 0 for a.

5

Suppose -2*i + 13 = 2*j - i, -10 = -5*j + 5*i. Solve n + 0*n = j for n.

5

Suppose 155 = 4*l + 5*b, 0*l + 79 = 2*l + 3*b. Suppose -3*i - 2*v + 12 = -v, -4*i + l = -5*v. Let r be ((-16)/(-48))/((-2)/(-12)). Solve -i*k - r = 3 for k.

-1

Let r(k) = -k + 1. Let b be r(-5). Suppose 0 = b*o - 2*o - 68. Solve -5 = -4*i - o for i.

-3

Let o = -8 + 10. Solve o*l - 3 = l for l.

3