Let t be -7*1 - (-4 - -1). Let x be (6 + t)/((-4)/(-6)). Let u = -15 + 20. Solve -18 + x = u*f for f.

Let i® = -2*r - 3. Let o be i(-4). Solve -2*b = -5 - o for b.

5

Let k be 1 - 3/((-6)/22). Solve 0*a - 4*a + k = 0 for a.

3

Suppose -3*y - 7*s = -2*s - 41, 4*s - 4 = 0. Solve -3*x - y = -6*x for x.

4

Let z® = -r3 - 3*r2 - r - 1. Let d be z(-2). Let b(p) = p**2 - p - 2. Let m be b(0). Let q = m - d. Solve -3*v - q = 2 for v.

-1

Let g = 20 + -21. Let y be (2 + 1)/((-9)/(-12)). Let h = y + g. Solve 0 = -h*a + a + 2 for a.

1

Let t(g) = 3*g - 7 - 11 - 3 + 5. Let j be t(12). Solve -3*i + j = 2*i for i.

4

Let s(t) = -4*t2 + t3 + 0*t - 2 + 4*t + t. Let n be s(3). Solve -3*p = p + n for p.

-1

Suppose 7 = 3*d - 2. Solve -6 - 6 = -d*l for l.

4

Let k® = -2*r + 4. Let i be k(-4). Let s be ³⁰⁄₂₁*⁹⁸⁄₃₅. Solve s*n = n + i for n.

4

Suppose 3*x = -x + 4*p + 16, 0 = 5*p. Solve x*s - s = 0 for s.

0