Let v be (-6)/10 - 12/(-20). Solve v = 4*w - 5*w + 1 for w.

1

Suppose 23 = -5*r + 2*o, 5*r + 0*o = -4*o + 1. Let i(s) = -s3 - s2 + 2. Let m be i®. Solve -5*t = -0*t - m for t.

4

Suppose -2*y - 3*y = 0. Suppose 4*d = -4*w + 84, -5*d + d - w + 90 = y. Suppose 4*z - 5*r = d, -5*z - 2*r = -r - 7. Solve -5*i + 15 = -z*i for i.

5

Suppose -5*v + 19 = 2*h, -h - 3*h + 2*v = -26. Suppose -4*m = -h*m - 3, -m - 51 = -5*t. Let x(b) = -b**2 - 9*b + 3. Let d be x(-9). Solve -d*w - t = -w for w.

-5

Suppose -3*l = -2*n - 11, 5*n + 1 = -4. Solve l*t = t - 8 for t.

-4

Let o = -8 + 16. Let f be o/2 + -1 + 1. Suppose y - 4*a = -y - 16, 0 = 2*y - a + f. Solve y*i - 6 = 2*i for i.

-3

Suppose -4*g + 2 = -c + 3, -5*g - 5*c = -30. Suppose -x + 1 = -g. Solve x*j + j = 0 for j.

0

Let r = 1 + 1. Suppose 0 = -0*h - r*h - 2*y - 4, -4*h + 19 = -5*y. Solve -h = -5*g + 19 for g.

4

Suppose -l + 5*l + 5 = 5*n, 0 = l. Let s = n - -1. Solve s*x = x for x.

0

Let g be -2 - (5 + (-8 - 0)). Solve 0 = -u + g - 5 for u.

-4