Let f = 6 + -4. Let u = 2 - -2. Let b be u/(-10) - 2/(-5). Solve b = 4*d + 6 + f for d.

Let n be ²⁄₁₂ + 89/(-12)*-2. Solve -n = -2*y - y for y.

5

Let y(a) = -a + 9. Let b be y(7). Solve -2*c - b*c = 8 for c.

-2

Suppose -v - 2*v = 0. Suppose 5*r - 48 = -4*w, v = 5*r - 0*w - w - 63. Solve 0*l = -3*l + r for l.

4

Let b(g) = g - 2. Let c be b(4). Let l(m) be the first derivative of m³⁄₃ - m2 + 2*m + 2. Let z be l©. Solve 0*s - z = s for s.

-2

Let u be (16/(-10))/(12/(-30)). Solve 0 = -q + u - 0 for q.

4

Let o(l) = l3 + 21*l2 - 23*l - 14. Let x be o(-22). Solve 4*b + 24 = x for b.

-4

Let o be (-13 - -13)/(-2 + 1). Let c be 3 + (1 - 0/2). Let h be (3 - o) + c + 2. Solve 3 = 3*x + h for x.

-2

Suppose o + 9 = 2*o. Let w be 0 + 0*3/o. Solve 0 = 5*s - w*s + 25 for s.

-5

Let r(f) = f - 2 + 5 - 4. Let q be r(3). Solve -q = 4*l - 22 for l.

5

Let f be ³⁄₁ + (-1)/(-1). Solve -9 = -o - f for o.

5