Let h = -38 - -40. Solve -5 = -h*u - 1 for u.

Let w(b) be the third derivative of -b⁴⁄₆ - 5*b³⁄₆ - 6*b**2. Let f be w(-2). Solve 2*z = 1 + f for z.

2

Let b be 11 - 7 - (-1 + 3). Suppose 0 = 4*d - 4, 2*i - b*d = -4*d + 8. Solve -2*z - z = -i for z.

1

Suppose 4*y + y = 80. Solve -w + 5*w + y = 0 for w.

-4

Suppose 0 = -4*d - 5*q + 67, 5*d + 8 = -2*q + 79. Let u = d - 11. Solve -u - 2 = -w for w.

4

Let t = -109 - -109. Solve -d + 3*d - 8 = t for d.

4

Suppose 10*m - 13*m + 15 = 0. Solve 0 = -o - 0*o + m for o.

5

Let a be -1*(0 - (-15)/(-3)). Let t be (a/3)/((-4)/(-12)). Suppose 3 = t*f - 7. Solve s = f + 1 for s.

3

Let q be -2 + 3 - (-10)/5. Suppose 7 - q = f. Solve -15 = -9*r + f*r for r.

3

Suppose -2*r - 10 = 4*u, -2*r + r = -4*u - 25. Let n(m) = -m3 + 5*m2 + 3*m - 7. Let y be n®. Solve 0 = x + y - 4 for x.

-4

Let k be (-3 - -1)*(-2)/4. Let v be -2 - (k - (-33)/(-3)). Solve -17 = 5*u + v for u.

-5