Let p be ((-18)/(-21))/(1/28). Suppose 0 = -2*d - 4*i - 4, -5*d + d - 4*i = 0. Suppose d*u + 3*k = 5*k, -5*u + p = k. Solve -o = -0 - u for o.

Let r(j) = -j3 - 4*j2 - 4*j + 2. Let q be r(-4). Solve 2 = 4*k + q for k.

-4

Let w be (²⁴⁄₆ - -2) + -1. Solve -k = -7 + w for k.

2

Let k be -2 + 3 + 1/(-1). Let o = k - -8. Suppose -3*r + 18 = 2*m - 6*r, 0 = 4*m + 5*r + o. Solve 0 = m*d - 5*d for d.

0

Suppose 0 = -h - 2*h + 6. Suppose 0*n - n = 0. Let y be (-2)/(n + h/(-3)). Solve 0 = -y*k - 13 - 2 for k.

-5

Suppose 16 = -n + 4*n - 4*w, -5*n + 21 = -w. Solve 0*a + n = -a for a.

-4

Let d(k) = k - 4. Let q be d(6). Solve -q*x + 5*x = -6 for x.

-2

Let c = 13 + -10. Solve -c*z = z + 12 for z.

-3

Suppose 0*x = x - 6. Let n® = r - 6. Let g be n(x). Solve -q + 6 - 3 = g for q.

3

Let c be 16 - (3 + 1) - (-2)/(-1). Solve -i - c = i for i.

-5

Suppose 0 = 22*s - 24*s + 10. Solve 9 = s*x - 6 for x.

3