Let p(a) = 9*a + 4 - 2*a2 + 2*a + a2 - 4*a. Let l be ((-7)/(-3))/(13). Let r be p(l). Solve -i + r = i for i.

2

Suppose u + 5*d - 5 = 0, u + 3*u - 3 = -3*d. Suppose -5*p + 49 = 3*b, 5*b + 22 = -2*p + 72. Solve u*r + 2*r = -b for r.

-4

Let w be 0/((-9)/(45/(-10))). Solve w = -b + 2 - 0 for b.

2

Let d be 3 - 22 - -2. Solve -4*i - d = -0 for i.

-1

Let h be (-70)/28*8/(-5). Solve -4 = h*r + 12 for r.

-4

Suppose -2*n + 0*q + 3*q - 23 = 0, -5*n + 3*q - 35 = 0. Let c = n - -6. Let j be 5/c - 5/(-10). Solve 0 = -3*t - 12 - j for t.

-5

Let n = 14 - 13. Solve v - 4 = n for v.

5

Let s© = c. Let i be s(1). Suppose 2*x + 2*b - 10 = 0, 17 = 3*x - 0*x + 4*b. Solve x*z - i = 4*z for z.

-1

Let q = 3 + -2. Solve 11 = -5*x + q for x.

-2

Let j(l) = l3 - 5*l2 + 5*l. Let y be j(4). Solve -y*h = h + 20 for h.

-4