Suppose 70 = 5*z + 4*q + 21, -4*z = -q - 56. Let r = -1 + -1. Let l be (-2)/4*r - -2. Solve 0 = -2*f + l - z for f.

-5

Let x(p) = -2*p - 5. Let q be x(-7). Let u = 9 - q. Solve u = -g - 2*g - 15 for g.

-5

Suppose -5*n - 8 + 28 = 0. Solve 2 = -2*r - n for r.

-3

Let k = -4 + 7. Suppose -4*y = -k*y. Solve r = -y - 3 for r.

-3

Suppose -k + 4 = u - 3*u, 5*k = -2*u + 20. Let g be -1 + 2 - (16 + -17). Solve -g = -s - k for s.

-2

Let m be (-1)/(1/(-2)) - 2. Let a(s) be the first derivative of -s4⁄4 + 2*s3 + s**2 - 2*s + 2. Let o be a(6). Solve -4*c + 6 + o = m for c.

4

Suppose 0*k = 4*k, -w - 4*k = -1. Solve -w + 9 = 4*o for o.

2

Let s(n) = n**2 - 4*n - 6. Let t be s(7). Solve 0*l - t = 5*l for l.

-3

Suppose -p + 22 = -4*q, 22 = -q - 2*q - 2*p. Let m be q/(-21) - (-76)/28. Solve 20 = -m*u - u for u.

-5

Suppose 0 = -5*d + 3*d + 4*s - 14, -5*d + 2*s = 59. Let v = 25 + d. Solve v = 2*h + h for h.

4