Let p = -1 + 2. Let f = p - 2. Let n be 2*(3 + -1) + f. Solve n*r - 6 + 18 = 0 for r.

Let s be 2 + 16/(-9) + ²⁷²⁄₇₂. Solve h = -s*h + 15 for h.

3

Let p = 53 + -53. Solve -u - 4 + 2 = p for u.

-2

Suppose 14*u - 77 + 7 = 0. Solve 0 = u*n - 2*n - 9 for n.

3

Let f(h) = -h**2 + 8*h + 11. Let s be f(8). Suppose -s - 9 = -5*z. Solve -g = -z*g for g.

0

Suppose -4 + 14 = -5*t. Let q be (-3 - -3)*t/(-2). Solve q*d = -3*d + 12 for d.

4

Let v be (0 - 3)*34/(-6). Solve v = 4*w - 3 for w.

5

Suppose 2*a = -x, 0*x - x + 2*a = -4. Let s be (2/(-3))/(2/(-3)). Let j be 0/((x/(-2))/s). Solve 5*i - 10 - 15 = j for i.

5

Let w be -3 - ((-26)/3 + (-10)/(-15)). Solve -12*h + w = -13*h for h.

-5

Suppose 5*v = -2 - 8. Let k(b) = b**2 + 2*b + 4. Let a be k(3). Let y be 3 - (a + v)/(-1). Solve 5*u = u - y for u.

-5

Let x(j) = -j3 + 5*j2 - 2*j - 3. Let u be x(4). Suppose 4*k + 5 - 17 = 0. Let s = k - 0. Solve c - s + u = 0 for c.

-2