Let c = -636 + 643. Let z = 44 - 31. Solve 4*y - c - z = 0 for y.

Let i = 22 - 7. Suppose 0 = 5*o + a + a - 21, o - 5*a - i = 0. Let s(u) = -u - 4. Let b be s(-4). Solve b = 2*p + o + 5 for p.

-5

Let a = -16 + 20. Solve a*r - 2 = 6 for r.

2

Let v be 20/((-25)/(-5)) + 1. Solve k = -4*k + v for k.

1

Let o = -1 - -4. Suppose q + 6 = -q + 2*h, -2*q = h - o. Solve -5*n = -q*n - 5 for n.

1

Let r be (-1 + -2)*(³⁵⁄₂₁ - 3). Let t = 18 + -3. Suppose -i = -4*j + 2*i + t, -4*i = 2*j - 24. Solve j = r*v - v for v.

2

Let q(o) = -3*o + 31. Let x be q(9). Suppose -2*p + 4*p = 2. Suppose x*d - 2 = -3*g, 3*d + p = -4*g - 1. Solve -6*c = -d*c + 4 for c.

-1

Suppose 2j = j + 2. Let s be (-1)/(j/(-3))-6. Let r(p) = -p - 9. Let o be r(s). Solve -m - m - 10 = o for m.

-5

Let l be (²⁄₃)/((-10)/105). Let t = -7 - l. Solve -5*u = -t*u + 20 for u.

-4

Let m be 0/(((-3)/6)/((-4)/8)). Solve 0*b + 4*b = m for b.

0

Let r(o) = 15*o - 28. Let a be r(2). Let x be 0 + (-4)/(-1 - 1). Suppose x*g - 7*g + 20 = 0. Solve a*n = -0*n + g for n.

2