Let f be (-7 + 7)*1/(-2). Solve f = 3*r - 8 + 2 for r.

2

Let g be (23)/((-4)/(-18)). Let a = -1 + g. Solve 0 = -a*d + 1 + 5 for d.

3

Let s = -1 + 13. Suppose 5 = c - 0. Solve c*b + s = b for b.

-3

Suppose -12 = -m + 2*m - 4*t, -2*t = 2*m - 6. Let i = 6 + m. Let a = 0 + 0. Solve -2*f = i - a for f.

-3

Let w be ((-8)/2)/(4/(-18)). Let n = -12 + w. Solve -x = x + n for x.

-3

Suppose -2*w + 10 = -x, 3*w - 9 = 5*x + 6. Solve 3*g = -12 - x for g.

-4

Let x be 3/(-12)*(0 + -20). Suppose 0*z - 12 = -4*z. Solve -z*u - 8 = -x*u for u.

4

Suppose -4*z - z - 45 = 0. Let l be 3/z - (-20)/6. Let y be (-80)/(-6)*l/2. Solve 5*h - h - y = 0 for h.

5

Let g be (6/(-4) - -2)*10. Suppose 2*l - 20 = -3*i, g*l - 15 = -5*i + 35. Solve -4*h - l = h for h.

-2

Suppose 0 = -2*z + 5*o + 37, z + o + 0*o = 1. Suppose 3*w - z = 6. Solve 0 = 5*x - x - w for x.