Let o be 2/6 + (-40)/(-15). Suppose o = -5*m + 28. Solve 0*c = m*c - 25 for c.

Let p be (-18)/(-4) + (-7)/14. Let m be 72/(-33) + p/22. Let r(k) = -k - 1. Let l be r(m). Solve -6 = 5*i - l for i.

-1

Suppose -2*k = -6*k + 20. Suppose 4*i + 3*f - 11 = -2, 0 = 2*f + 2. Suppose -i*j + 6 = 0, -k*z - 2*j + 82 = -j. Solve 3*o + o = z for o.

4

Suppose 17 = 4*m + 5. Suppose -4*j = o - 19, 0 = -3*j + m*o - 5*o + 18. Suppose -f - f + j = 0. Solve f*v + 0*v - 6 = 0 for v.

3

Suppose -12*z + 11 + 1 = 0. Solve 1 = l - z for l.

2

Suppose 3 = 4*q - 5. Suppose q*x - 72 = -4*x. Solve -x = 7*m - 3*m for m.

-3

Suppose 0 = -0*p + p - 5. Suppose 44 = p*k - 1. Solve -4*u + k = -u for u.

3

Let a(f) = f3 + 4*f2 - 7*f - 7. Let u be a(-5). Solve 8 = u*x - x for x.

4

Suppose 16 = 2*a - 4. Suppose -a = -q + 3*s, 0 = -5*s + 2*s - 6. Solve -u = u - q for u.

2

Let p be 2/(⁴⁄₁₀) + -2. Let r(s) = s3 - 2*s2 - s - 2. Let j be r(p). Solve -3*b + j = 1 for b.

1

Suppose 4*x - 5 + 1 = 0. Let z be 0*x/(¹⁄₁). Solve -5*t + 10 + z = 0 for t.

2