Let a = -13 + 17. Solve -u = a*u + 25 for u.

Suppose -4*g = -0*g + 60. Let n(t) = t3 - 6*t2 - 2*t + 2. Let c be n(6). Let s = c - g. Solve -2*x = -x - s for x.

5

Let g = 5 - -10. Suppose 15 = p - 5*j, -j = -5*p + 4*j + g. Solve p = -0*t - 3*t + 9 for t.

3

Suppose s - 5*s = -12. Suppose -4*u + 0*u - 26 = -2*r, 3*u + 27 = s*r. Let x = u - -12. Solve x = 2*o + 2 for o.

3

Suppose -13 = -3*u - 4. Suppose -5*w + 2*d = -d + 1, -u = w - 2*d. Solve 3 + w = -y for y.

-4

Suppose -8 = 5*c + n - 20, 2*c - 4*n = 18. Solve c = t + 2 for t.

1

Let l(b) = 4*b**2 - 4*b + 7. Let q be l(2). Solve -q*o = -11*o + 4 for o.

-1

Suppose -19 = -2*w + 5*v, 0 = 4*w - 4*v - 66 + 22. Let s(i) = -i**2 + 3*i - 3. Let b be s(2). Let r be b + 7 + 3 + -1. Solve r = -4*n - w for n.

-5

Let w be ⁶⁄₅ + ²⁸⁄₃₅. Solve -15 + 5 = w*j for j.

-5

Let j = -49 - -83. Suppose -4 = 2*x + 4*v - 0, 3*x - j = 4*v. Suppose 2*p - 2*c = 4, 5*p - x*c = -2*c + 8. Solve 6*y - y - 25 = p for y.

5

Let y(m) = 7*m - 7. Let v be y(5). Let g be ³⁄₉ - v/(-6). Suppose -3*b = -3*q + 14 - 2, -6 = -g*q - 2*b. Solve 1 = q*o - 5 for o.

3