Let i be (-78)/(-21) - 2/(-7). Solve -3 = -i*s - 19 for s.

-4

Suppose 0*o + 57 = -3*v - 3*o, -99 = 5*v + 4*o. Let c = v + 40. Solve 5 = 4*a + c for a.

-3

Suppose 9*z - 4*z = 50. Suppose -4*s = -3*o + 13, 2*o - 4*s - z = -0o. Let l be (o - -1)(-1)/(-1). Solve -l*w = w for w.

0

Suppose 8*r - 3*r = 5. Solve 3*t - r = -7 for t.

-2

Suppose -6*f - 76 = -2*f. Let q = f - -31. Solve y = -2*y - q for y.

-4

Let b = 12 - 8. Suppose b = m - 7. Solve 3*q + m = -1 for q.

-4

Let w(u) be the third derivative of u560 - 5*u424 + u33 + u2. Let j be w(4). Let p = 2 - j. Solve -t - 2 = -p for t.

2

Let c(s) = s3 + s2 - s. Let g be c(0). Let b be ((-2)/4*g)/2. Solve b = 3*v + 5 + 1 for v.

-2

Suppose -3*s + 5*k = -11, -k - 4*k - 9 = -2*s. Suppose -2*p = -3*w + s*w - 3, -2*p = -4*w - 12. Solve -4*o + 5 - 1 = p for o.

1

Let y be ((-10)/4)/((-125)/50). Solve -3 + y = -n for n.

2