Let w = -1 - -1. Let x = 4 - 1. Suppose c - 2*c = -y, -x*y - 5*c = -24. Solve w = y*u + u - 20 for u.

Let i(a) = 2*a + 1. Let v be i(2). Let l be (-3)/v + ⁹⁰⁄₂₅. Solve l*o + 0 = 6 for o.

2

Suppose -5*i = -3*m + 4, 0 = -m + 2*m - 3*i - 4. Let l = -3 + 8. Let h = m + l. Solve 0 = h*d + 1 - 4 for d.

1

Let f be 0 - 0 - 7 - -1. Let z = -4 - f. Solve z*g - 6*g = 0 for g.

0

Let i = 13 + -16. Let s be (4/(-8) - i)*6. Solve -4*r = -5 - s for r.

5

Let k be -2*(-1)/((-1)/(-3)). Let q(s) = s3 + 6*s2 + 6*s + 5. Let r be q(-5). Let i(j) = j3 - 2*j2 + 3*j - 3. Let o be i(2). Solve r = -o*t + k*t for t.

0

Let y(d) = d**2 + 2*d + 2. Let u be y(-2). Solve -7*b = -u*b for b.

0

Let o be ¹⁰⁄₁ - (6 - 5). Suppose 48 = 5*p - s, -2*p - o = -2*s - 25. Solve 5*r - p = 3*r for r.

5

Let r = 23 - 3. Suppose 9*w - 4*w = r. Solve -w*v = -v for v.

0

Let k(j) = -j - 2. Let n be k(-2). Let r = n + 3. Suppose r*y - 16 = 2*y. Solve 4*s = -0*s + y for s.

4

Suppose -4 + 14 = 2*r. Let k be (-6)/15 + ¹¹⁰⁄₂₅. Suppose -5*i - 4 = 3*b - 13, 0 = k*b + 3*i - 12. Solve -b*n + r = -10 for n.

5