Let t = -18 + 21. Solve 0 = -y - t*y - 12 for y.

-3

Suppose 0*b + 2*p = -5*b + 15, 2 = -3*b + p. Let c be ((-2)/3)/((-4)/6). Let u be 1 + (c + b - 3). Solve u*o + 1 = -o for o.

-1

Let n be (-21)/(-28)*(1 - -3). Solve 1 = -n*r - 2 for r.

-1

Let x = 123 - 73. Suppose -5*v - x = -175. Solve 0*q + v = 5*q for q.

5

Let l be 1/((-63)/(-15) - 4). Solve 0*p - l*p + 20 = 0 for p.

4

Let g® = -r3 + 10*r2 + 11*r - 1. Let f be g(11). Let l be f/(-3) - (-66)/18. Solve 0*i = -l*i - 20 for i.

-5

Suppose -3*v + 3*m + 12 = 0, 6*v - 4*m = v + 23. Solve v = o + 4 for o.

3

Suppose -3*k + 16 = f, 0 = -4*f + 5*k - 1 - 3. Suppose -2*n + 6 = -4*x, -4*x + f*n = -2*x + 12. Suppose 7 = q - x*q. Solve -5*y - q + 17 = 0 for y.

2

Let o = 3 - 4. Let l = 1 + o. Suppose l = -4*s - s. Solve -y = -s*y + 4 for y.

-4

Let d be (-13)/52 - (-2)/8. Let j = -5 + 7. Solve a = -j - d for a.

-2