Let o be (50/(-15))/(2/(-6)). Solve 0 = 5*r - o - 0 for r.

2

Let m = 12 - 10. Let t = m + 2. Solve -25 = -t*w - 5 for w.

5

Suppose 4*u + 0*q - 6 = 2*q, 12 = -3*u - 4*q. Suppose 7*k - 5*k = u. Let r(f) = -f. Let l be r(-4). Solve -l*x - 9 - 3 = k for x.

-3

Let g be 15/((1 + 2)/3). Let k = g + 5. Solve -2*o + k = 3*o for o.

4

Let s(i) = 2*i - 9. Let j be s(6). Suppose j*f + f - 16 = 0. Suppose 2*a - f = 0, 2*w - 3*a - 2*a + 6 = 0. Solve 2*d - w + 4 = 0 for d.

-1

Suppose -4*y - 3*m + 7 = -5*y, -3*y - 2*m = -12. Let u© = -y*c + 2 - c + 5*c - 4. Let t be u(4). Solve -t*j + 12 = -2*j for j.

3

Let n = 0 + 4. Suppose 4*i + q + 0 = -7, -i - 5*q + 22 = 0. Let y be (2/i)/((-6)/9). Solve 0 = -a - y - n for a.

-5

Suppose -5*b + 17 = 2. Solve 0*i = -b*i for i.

0

Suppose -c = -r - 6, 0*r = c - 5*r + 6. Solve -3 = -3*z - c for z.

-2

Let w = 19 + -16. Solve 5*c - w + 28 = 0 for c.

-5