Let r be -7*-4*6⁄84. Solve 0*x - r*x - 6 = 0 for x.

-3

Let v(j) = 2*j + 2. Let n be v(-1). Solve 3*h - h + 4 = n for h.

-2

Suppose -y + 0*y = -20. Suppose 2*w + 42 = 5*q - 9, y = 2*q - w. Solve 5*j - q = -1 for j.

2

Let i(v) = -v**2 + 7*v - 7. Let j be i(5). Suppose -x + j = 2*x. Let b = x + 4. Solve -2*a = -b*a for a.

0

Let r = 0 - 0. Suppose r = -3*f + f. Suppose 2*c - 8 = f, -2*m - 16 = 2*m - 4*c. Solve m = 3*w - 0*w + 12 for w.

-4

Let r(v) = 3*v - 14. Let k be r(6). Solve -k*y = -6*y + 4 for y.

2

Suppose 2*y + y = 60. Suppose -2*d = -5*d + 21. Suppose 0 = d*o - 2*o - y. Solve o*n - 1 = 19 for n.

5

Let t = -5 + 5. Suppose -16 = -4*x - t. Solve x*n = -22 + 6 for n.

-4

Suppose -9*j + 14*j = 0. Solve -2*q + j*q + 8 = 0 for q.

4

Suppose 4*f = 5*b - 3*b - 20, 2*b = 5*f + 25. Suppose b = -l - l + 8. Solve 0 = d + d - l for d.

2