Suppose 7*h - 1 - 13 = 0. Solve -o = 3 - h for o.

Suppose 1 = c - 0. Suppose 6*r - 3r = -6. Let h be -1 + 2/r-1. Solve h = -s + c - 6 for s.

-5

Suppose -2*s - v = -28, 9 = -4*v - 7. Suppose 5*r = 3*r. Suppose 5*u - k - s = 0, r*k + 7 = u - 4*k. Solve 0 = -d - u + 5 for d.

2

Let d(k) = k**2 + 6*k - 8. Let s be d(-7). Let i be -4 - -8*s/(-2). Solve 6 = -i*j - 3*j for j.

-2

Let k be (-28)/98 - (-132)/21. Solve k*f - f = 0 for f.

0

Let c be (⁵⁷⁄₇₆)/(⁶⁄₁₆*1). Solve c + 0 = x for x.

2

Let y(z) = z3 - 8*z2 + 7*z + 4. Let m be y(7). Suppose -2*f = -6*f + 180. Suppose 0*n + 5*n - f = 0. Solve n = -m*i - 3 for i.

-3

Let x be (-256)/(-44) + (-6)/(-33). Let j be ⁴⁸⁄₉ + 2/(-6). Solve -1 + x = j*k for k.

1

Let x be (-50)/(-8) + 7/(-28). Solve x*i = i for i.

0

Suppose -5 = -4*v + 11. Solve 0*b + v = -4*b for b.

-1

Suppose -4*w - 4*y - 26 = 2, 3*y = 4*w + 56. Let s = w - -15. Solve s*v = -v + 15 for v.

3