Let y = -7 - -9. Suppose y*z - 25 = z. Solve 7*v - 2*v + z = 0 for v.

-5

Let t(x) be the second derivative of x5⁄4 - x3⁄3 + x**2⁄2 - 2*x. Let v be t(1). Solve 0*h + 2*h = v for h.

2

Suppose -y - 56 = -5*y. Suppose -3*a = 5*d - y, -4*d - 4*a + 11 = -5*d. Suppose 4 = -5*w - d, 4*w - 36 = -4*h. Solve -h = -4*z - z for z.

2

Let u = 13 + -22. Let f = 14 + u. Solve 6 + 9 = f*v for v.

3

Let r = 2 + -2. Solve r = 5*j + 9 - 4 for j.

-1

Suppose 4*i - 2*a - 2*a = 28, 5*a = i - 23. Suppose 8*b = 5*b + 12. Solve -1 = b*q - i*q for q.

-1

Let q be (-12)/(2 + (-9)/3). Let n = q + -10. Solve 13 = 5*d - n for d.

3

Suppose 5*q - 8 = o, -3*q = -o - 5 + 1. Let d be (-4)/5*50/(-4). Suppose d = 5*g - 5*u, 2*g + u = 1 + 3. Solve g*b = -o*b + 12 for b.

3

Let v = 51 + -30. Suppose -v = -5*l - 1. Suppose -5*o + 6*p = 2*p + 6, 0 = -l*p + 16. Solve o - 10 = -2*s for s.

4

Let w(t) = t3 - 7*t2 + 5*t + 7. Let m be w(6). Let g be m/(-1) - (0 - 11). Suppose 6*f - f = g. Solve f*p + 8 = -2*p for p.

-2