Let o = -4 + 6. Solve 0 = o*z + z - 12 for z.

Let p be (-2)/(-4) + ⁶⁄₄. Suppose 0 = 4*l + l + 2*u - p, 5*l - 5*u = 30. Solve 0 = 3*x - 11 + l for x.

3

Let p(o) = -o3 - 17*o2 + 3. Suppose 51 = 14*c - 17*c. Let b be p©. Solve 0 = b*h - 0*h + 12 for h.

-4

Suppose -m + 4 = -0*m. Suppose 0 = 3*s - 4*k - m - 10, 10 = -2*k. Let f be 6 + -1 + (-3 - s). Solve -3*o = -o - f for o.

2

Let g be (-279)/(-15) + (-8)/(-20). Solve -3*a + g = 4 for a.

5

Suppose r = -2*r. Solve r = -3*u - 0 - 6 for u.

-2

Let m be -1*2*²⁶⁄₄. Let j = -13 - m. Solve 0 = -j*y + y - 4 for y.

4

Let n be 20*(²⁴⁄₄₅)/((-10)/(-15)). Solve 0 = -3*t - t - n for t.

-4

Let f be (-4 + 0/2)*(-5)/1. Solve f*k = 15*k for k.

0

Suppose 4*y + 2*h = 14, -8 = -2*y - 2*h - 0*h. Solve f = y - 0 for f.

3

Suppose 5*x + 5*i = 45, -3*x = -7*x + 5*i - 9. Solve -x = 4*z - 6*z for z.

2