Let c(j) = -5*j + 6. Let k be c(2). Let q = 4 + -7. Let b be (-7)/k + q/(-12). Solve -b*y + 6*y = 20 for y.

Let u® be the second derivative of -r⁵⁄₂₀ - 3*r⁴⁄₄ - 5*r³⁄₃ - 6*r2 + 2*r. Let s be u(-8). Solve 0 = k + 1 - s for k.

3

Let v(l) = -l3 + 9*l2 - 17*l - 3. Let p be v(6). Solve p*c = 1 - 10 for c.

-3

Suppose 18 = -2*p - 62. Let l be 16/p - (-204)/10. Solve 0 = 4*c + l - 4 for c.

-4

Suppose 0 = -m + 5, -6*m + 2*m = 4*y. Let b(u) = -2*u - 2. Let p be b(y). Suppose t - p = 3*t, -18 = -3*r + 3*t. Solve -r*j = j + 12 for j.

-4

Let v be (-29)/(-9) - ⁴⁄₁₈. Suppose n - v*i = 12, 8 = -4*i + 2*i. Solve 0 = w - n*w for w.

0

Suppose 0 = -3*f + 9 - 0. Solve 0 = -f*r - 3 + 9 for r.

2

Let i(z) = -z + 1. Suppose 4*o + 3 + 13 = 0. Let k be i(o). Solve 9 = k*a - 1 for a.

2

Let o(k) = k + 20. Let l = -1 + 1. Let u be (0*(l + -1))/2. Let q be o(u). Solve 4*b - q + 0 = 0 for b.

5

Suppose 5*f + 19 = o, -2*o + 31 = 2*o - 5*f. Solve 0 = 4*n - 0 + o for n.

-1

Let w be -1 - -8 - (0 - -3). Solve w - 1 = 3*c for c.

1