Let a = 40 + -20. Solve -a + 0 = 4*x for x.

Let a(q) = q3 + q2 - q - 1. Let j(s) = -6*s3 - 3*s2 + 2*s + 8. Let d(p) = -5*a(p) - j(p). Let o be d(2). Solve -2*i = -o - 1 for i.

2

Let l be (-2 - 0) + ¹⁰⁄₂. Solve -5*o + 13 = l for o.

2

Let d(j) = -j**2 + 5. Suppose 2 = 2*u + 4*v, 0*v = -v. Let t be 0/(u - (2 + -3)). Let f be d(t). Solve -f = w - 0 for w.

-5

Let q(p) = p3 - 7*p2 + 9*p - 10. Let r be q(6). Solve -v = v - r for v.

4

Suppose 0 - 20 = -5*v. Solve 0 = -v*w - 0*w for w.

0

Let y(f) = -f2 + 3*f + 1. Let q be y(4). Let o(z) = z3 + 12*z**2 + 11*z + 6. Let h be o(-11). Let r = q + h. Solve -1 = l - r for l.

2

Let k(j) = -2*j - 1. Let o be k(-3). Let l be ²⁄₄ + ¹⁹⁄₂. Solve o*w + l = -10 for w.

-4

Suppose m - 5 = -3. Let l(s) = s3 - s2 - s + 1. Let v be l(2). Solve 0 = -m*d - v*d - 10 for d.

-2

Suppose -2 = b - 4. Let r(w) = -w. Suppose -2*f - 2*f - 12 = 0. Let i be r(f). Solve b = -q - i for q.

-5

Let r be (-32)/(-20) - (-2)/5. Let k(v) = -r + 1 + 7*v + 4*v. Let d be k(1). Solve c = -c + d for c.

5