Suppose 4*m - 1 = -9. Let z be 4/(-8) - 7/m. Suppose 4*x + 0*x - 5*b = -25, 0 = -5*x + 3*b - 15. Solve z = -l - x for l.

Let t be (-6)/(-21) + (-76)/(-28). Let l® = 2*r**2. Let j be l(-2). Suppose 3*f - 7*f = -j. Solve -f = -n + t for n.

5

Suppose 3*v = 2*v + 2. Suppose 4 + 0 = 5*m - v*u, 4*m + 3*u - 17 = 0. Let l be (-12)/8 - (-3)/2. Solve l = -b + 4 - m for b.

2

Let g be 2 + -1 + ((-16)/2)/(-2). Solve 1 + g = 3*v for v.

2

Suppose 4*b - 20 = b - 4*o, -2*o + 10 = -3*b. Suppose 2*q - 20 = q. Suppose -15 = 5*p + 3*y, -2*p + 6*p - q = 4*y. Solve -k + b - 5 = p for k.

-5

Suppose -2*j - j = -3*l - 84, -3*l + 133 = 4*j. Suppose 5*i - 5 = 0, i - 6*i - j = -3*k. Let r = k + -7. Solve 0 = -2*u + r*u - 12 for u.

4

Let r be (¹⁷⁄₂)/(²⁄₄). Let n = r + -13. Solve -n*k = -k - 6 for k.

2

Suppose -5*o + 19 = -9*h + 7*h, 3*o - 30 = -5*h. Solve h*s - 6*s + 6 = 0 for s.

2

Let l be ⁵⁄₂₅*0 - -3. Solve l*b + 8 = 20 for b.

4

Let t be (-6)/(-4) - (-6)/12. Solve -t*l = l for l.

0

Suppose -y + 4*y = 12. Solve -z + 2*z = -y for z.

-4