Let u be (0 - -1)*(-1 + 1). Let i = 13 - 4. Let w = 21 - i. Solve u*s = 3*s - w for s.

Let t = -19 + 23. Solve t - 6 = -i for i.

2

Let i(u) = 4*u3 - 7*u2 - u + 7. Let q(d) = 11*d3 - 21*d2 - 3*d + 22. Let k(n) = -8*i(n) + 3*q(n). Let c be k(7). Solve -5 + c = -s for s.

2

Let g(a) = 2*a + 3. Let u be g(-2). Let n be u/(-5) - (-4)/(-20). Solve -c + 5*c = n for c.

0

Let l = 16 - 4. Solve 3*z + l = -z for z.

-3

Suppose 2*s - 3*g - 12 = 0, -4*g + 5*g = 0. Solve s*z - z = 5 for z.

1

Let t = 9 + -6. Solve t*c - 7 = -4 for c.

1

Let l be ⁵⁄₁₀ + ¹⁴⁄₄. Solve 4*f = l + 12 for f.

4

Let c be ((-18)/(-10))/((-10)/(-150)). Solve 7 - c = -5*m for m.

4

Suppose 2*g + 2*m = 0, 0*g - 4*g = -3*m + 28. Let w = -2 - g. Suppose -w*n - 2*n = -12. Solve 8*l - n*l - 15 = 0 for l.

3

Suppose -2*u - 14 = -2*y, y + 2*u - 4*u - 12 = 0. Solve 0*t = 2*t + y for t.

-1