Let r(n) = -n**3 + 8*n**2 - 12*n + 5. Let t be r(6). Solve t = 4*z - 7 for z.

Let h = -5 + 6. Let k be (h/3)/(⁷⁄₂₁). Solve 0 = r + 4 - k for r.

-3

Suppose 28 = 4*l + 5*c - 15, 0 = -l + 4*c - 5. Solve 0 = -l*x + 4*x - 12 for x.

-4

Let o be (-20)/(-6) + (-5)/(-3). Solve o = -2*q + 3 for q.

-1

Suppose -5*f + 2*g = -6*f + 9, -g = -4*f. Let a© = 6*c3 + c2 - 1. Let d be a(f). Suppose 2*h = -l - 0*l, 0 = 3*h + d. Solve -y - y = l for y.

-2

Let a be ¹³⁄₇₈ + (-1)/6. Suppose a*c - 12 = 3*c + 5*x, x + 7 = 4*c. Solve q = c - 0 for q.

1

Let j be ³⁄₁₈ - (-33)/18. Suppose j*d - d - 5 = 0. Solve o + d = 2*o for o.

5

Suppose 19*w + 5 = 20*w. Let i be 0/((-2)/(-1) - 0). Suppose i = -x - 2 + 14. Solve x = -w*l - 3 for l.

-3

Let n(h) = -h**2 - 6*h + 10. Let r be n(-7). Solve r - 1 = 2*c for c.

1

Let w = 1 + 4. Suppose w*k = -4*j + 2, -10 = -k - 3*k + j. Solve -k = 4*s + 14 for s.

-4

Suppose 8*q + 25 = 13*q. Suppose -g + q = 3. Solve 0 = 2*c + g*c + 8 for c.

-2