Suppose 5*r = 3*c + 6, c + 4*r = 6*c + 10. Let s = c - -8. Suppose 0 = l + 1, -2*g + l + 6 = -l. Solve -g*f + s = f for f.

Let l(y) = -y + 9. Let q be l(7). Solve -q*k = 2*k for k.

0

Let p be ⁸⁴⁄₂₀ - (-1)/(-5). Suppose -j - 3*n + p = n, 0 = 5*n + 5. Let b be (j/(-5))/(4/(-30)). Solve 0 = -4*a - 4 - b for a.

-4

Suppose 0 = 7*d - 9*d + 26. Solve 5*i = -7 - d for i.

-4

Let n© = -c - 2. Let u be n(-4). Suppose -l + 15 = ul. Let v be (105/(-6))/l-4. Solve 5*p = -6 - v for p.

-4

Let r be -3 + (-1 - 0) + 3. Let k be -2 + r - (-3 - 8). Solve -2 + k = 2*y for y.

3

Let o(d) = -d3 + 12*d2 + 12*d + 15. Let y be o(13). Solve -3*s = -y*s + 1 for s.

-1

Let v be 6*(-3)/(-9)*2. Solve -2*k + v = 2 for k.

1

Let q(h) = 2*h - 13. Let n be q(8). Solve 8 = -n*r - 4 for r.

-4

Suppose 2*s = -3 + 7, -44 = -3*t - s. Let b be ²⁄₉ + (-94)/18. Let w = t + b. Solve 4*a = a + w for a.

3

Suppose 0 = y, -2*y - 60 = 2*d + 3*d. Let a be (-4)/d - 23/(-3). Solve a*c = 3*c + 10 for c.

2