Suppose 2*a - y = 42, -4*y = -2*a + 53 - 11. Let b = a + -15. Solve -4*w + b = 18 for w.

Suppose -7*z + 2*z = -i - 24, 5*z + 3*i - 28 = 0. Solve 0 = 4*r + z + 3 for r.

-2

Let k = -4 + 8. Let m(d) = -3*d - 9. Let y be m(-6). Suppose 0 = 2*t - 3*r - 16, -k*t + y + 5 = 3*r. Solve t*s - 1 + 6 = 0 for s.

-1

Let c be (-21)/(-6)*⁸⁄₁₄. Solve c*i - 1 = -3 for i.

-1

Let r = 33 + -47. Let i be (-20)/70 - 4/r. Solve i*f + 3 = -f for f.

-3

Let k(w) = -w**2 - 4*w. Let d be k(-4). Let n(f) = -2*f - 4. Let c be n(-2). Solve d = v - c*v - 5 for v.

5

Let d(y) = -y**2 + y + 18. Let n be d(0). Let m = -9 + n. Solve 5*w + 24 - m = 0 for w.

-3

Let h = 90 - 90. Solve -c = -h*c for c.

0

Let d be ⁵⁴⁄₈ + 3 + (-45)/12. Solve -y + d*y + 20 = 0 for y.

-4

Let k(m) = -5*m. Let s be k(-2). Let f = s + -5. Solve 0 = -2*x + f - 3 for x.

1

Suppose 0 = g - m - 0*m - 2, 0 = g + 4*m + 8. Let y be (-1 - g) + 7 - -2. Solve -y = -3*o + o for o.

4