Let f be (-6)/(-30) - 116/(-20). Solve 0 = -5*u - 19 - f for u.

Let z(w) = 6*w. Let u be z(0). Solve -3*k + 4*k - 3 = u for k.

3

Let f(a) = 3*a3 - a2 - 5*a + 1. Let j(k) = 2*k**3 - 4*k + 1. Let x(z) = -3*f(z) + 4*j(z). Let d be x(2). Solve -3*l - 12 = -d for l.

-3

Let d(x) = 2*x2 + 7*x. Let r(w) = w2 + w - 1. Let m© = d© - 3*r©. Let y = -11 + 15. Let z be m(y). Solve z*l = -0*l for l.

0

Let x be ¹⁄₃ - 5/(-3). Solve 0*m = -x*m + 4 for m.

2

Suppose 0 = -2*j - j. Let n be (j + 0)/((-2)/2). Suppose 2*m - 3*m = n. Solve m*q - 2*q = 0 for q.

0

Let m(o) = 7*o - 20. Let i be m(4). Solve -2*c - 2*c = -i for c.

2

Let t be ²⁶⁄₁₀ - (-4)/10. Solve -5*b + t = -17 for b.

4

Suppose -k - 3*k - 24 = -2*g, -3*g - 19 = 5*k. Suppose 0*q + q - 4 = 0. Let r be (q/(-6))/((-1)/3). Solve -a + r + g = 0 for a.

4

Let z be (³⁄₁ - 4) + 7. Let q(u) = -u + 11. Let y be q(z). Solve y*f - 3 = 2*f for f.

1

Let v(d) = -5*d - 3. Let s be v(-5). Suppose -7 = -2*m - 5*g, 0 = 5*m - g - 9 - s. Solve 0 = -m*j + 7*j - 2 for j.

2