Let u = 131 - 123. Solve t = -t + u for t.

4

Let p(n) = 3*n - 17. Let s(m) = -4*m + 18. Let q(h) = -5*p(h) - 4*s(h). Let d be q(-9). Suppose d*f + 16 = 5*f. Solve 2*v + 2*v = f for v.

4

Let k be 1/(1⁄4 + (-1)/(-4)). Solve 4 = k*a - a for a.

4

Let d(j) = j + 0*j3 + j3 + 4 + 7*j2 - 4*j2. Let v be d(-3). Let w(s) = 2*s3 + s2 + s - 1. Let m be w(v). Solve -x + 16 = m*x for x.

4

Suppose -52 + 36 = -4*a. Let f(s) = s - 1. Let r be f(1). Let v be r - 1 - -18 - 1. Solve 0 = 4*d + v + a for d.

-5

Suppose 0 = 2*h + 3*f - 2*f - 35, -2*f = 10. Solve 2*i + 2*i = -h for i.

-5

Let b© = 2 + c + 2 + 4. Let t be b(-6). Solve s = -t + 5 for s.

3

Suppose 5*q = 21 + 4. Suppose -q*n - 3*i + 2 = i, -5*n = i - 8. Solve -n*d - d - 9 = 0 for d.

-3

Suppose 0 = -4*b - x + 7, -2*b + x + x = -6. Solve -2 = -0*k - b*k for k.

1

Let k be 6/(-9)*9/(-2). Solve -k*v - 8 = v for v.

-2