Let b be (1*3/(-9))/(5/(-90)). Solve -5*r + b = 21 for r.

-3

Suppose 0 = -0*y - y + 5. Suppose 0 = -m + u, y*m - 8 = -3*u + 4*u. Suppose 2 = 4*g - m*g. Solve -3 - g = -4*h for h.

1

Suppose 4*y + 10 = -o, -3*y - 4 + 1 = 3*o. Let f be (o - 912)*4. Suppose 0 = 2*c + m - f, -m = -4*c - 0*m - 5. Solve -p + c*p + 1 = 0 for p.

1

Let z(l) = -2*l + 4. Let c be z(-4). Solve 0 = -n + 4*n - c for n.

4

Suppose -i = -6*i + 140. Suppose 4*h + 4*v = i, 0 = 4*h + v + v - 20. Solve -7 = -2*j + h for j.

5

Suppose -y + 14 = -2*o, -5*o = 3*y + 3 - 12. Solve 14*b = 10*b - y for b.

-2

Let z(d) = -d + 2. Let o be z(-2). Let t(m) = -m**2 + 2*m + 3. Let b be t(o). Let f = b + 5. Solve f = 2*a - 0*a for a.

0

Let k = 77 + -76. Solve 0 = -q + k - 4 for q.

-3

Suppose 0 = -s - 0 + 5. Suppose 2*x - s*x = -6. Let g be x/(-10) - (-101)/5. Solve g = 3*n + 2*n for n.

4

Let w(j) = -j3 + j2 + 2*j. Let b be w(2). Solve -5*h + b*h = 0 for h.

0