Let j = -6 + 10. Solve -10 + j = -2*r for r.

Let d(m) = -m**2 + 6*m + 9. Let t = -12 + 19. Let b be d(t). Solve 0 = -4*j + b*j + 2 for j.

1

Let q be 8/(-6)*⁹⁰⁄₁₂. Let o = -6 - q. Suppose -20 = -5*n - 5*i, -n - 8 = -4*i + 2*i. Solve o*m - 2 - 10 = n for m.

3

Let r(s) = 7*s**2 + s. Let u be r(-1). Suppose -5 = u*b - 23. Solve b*l - 2 = 7 for l.

3

Let t(s) = s3 - 10*s2 + 12*s - 9. Let v be t(9). Let l be ²⁄₉ + (-4)/v. Let p be (0/(l - 2))/(-2). Solve 2*r + 0*r + 6 = p for r.

-3

Suppose -4*t = -3*l, 3*t = -2*t - 4*l. Suppose 0 = -t*f - f. Solve -s - s = f for s.

0

Suppose -1 - 3 = -2*h. Suppose 0 = -6*y + h*y + 4. Suppose -2*g = 3*q - 4, 5*g = 4*q + 6 + 4. Solve -y = -j + g*j for j.

-1

Suppose k - 4*k + 25 = -4*n, 2*k - 3*n - 18 = 0. Solve k = d + 2 for d.

1

Let m(q) be the second derivative of 5*q³⁄₆ - q²⁄₂ - 3*q. Let a be m(1). Solve 2*w = a*w + 2 for w.

-1

Suppose 3*n = -5*t - 30, -3*t - 2*n - 30 = 2*t. Let o(p) = p + 11. Let i be o(t). Suppose -i*h = -h. Solve 0 = 2*z - h - 4 for z.

2

Let j(o) = -2*o**2 + 15. Let d be j(0). Solve 0*q + d = 3*q for q.

5