Let y = 78 - 78. Solve -7*b + 8*b - 5 = y for b.

Let y = -515 - -518. Let s = 3 + -1. Solve -s*n - y*n = -20 for n.

4

Let h = 32 + -13. Let k = -14 + h. Solve k*c + 20 + 5 = 0 for c.

-5

Let a(o) = o3 - 8*o2 - 8*o - 6. Let n be a(9). Solve 4*c - 19 + n = 0 for c.

4

Let m = -1 + -4. Let t(g) = g3 + 4*g2 - 4*g + 5. Let h be t(m). Let a = -149 + 152. Solve a*d + 6 + 3 = h for d.

-3

Let k be 2*((-17)/(-2) + -3). Solve -4*z - 1 = k for z.

-3

Let i(f) be the first derivative of -f⁴⁄₄ - 2*f3 + 4*f**2 + 7*f + 3. Let x be i(-7). Solve 0 = -x*y - 2*y - 4 for y.

-2

Let o(k) = -k + 5. Let f be o(5). Suppose q + 1 - 4 = f. Suppose -2*c = -3*z - q*c + 1, 5 = -z + 5*c. Solve 0 = -z*r - r + 2 for r.

2

Let i© = c**2 + 6*c + 4. Let x be i(-8). Suppose -2*j = 2*j - x. Let g be (2 - j) + ²⁶⁄₂. Solve -g = 3*z - 4 for z.

-2

Suppose 4*r + 4*t = 64, -20 = -3*r + 7*t - 3*t. Suppose 0 = -2*o + 4*b + r, 4*b + 2 = 3*o - 8. Let z = 3 + o. Solve -h - 2 - z = 0 for h.

-3

Let j = 4 + -4. Solve -t - 3 = -j*t for t.

-3