Let d = -9 - -4. Let j be (-1)/d + 4/(-20). Solve 3*k = -j*k for k.

Let v be (28/(-6))/(⁴⁄₆). Let b(s) = -s**2 - 6*s + 10. Let a be b(v). Let t be (a/(-3) - -3) + -2. Solve y = -t + 3 for y.

3

Let p be (-3 - (-28)/(-4)) + 4. Let i = p + 8. Solve v + i*v = 0 for v.

0

Suppose -4*y - 2 = -10. Suppose -2*n = 4*m, -m + y*n + 5 = -5. Solve -13 = 3*i + m for i.

-5

Let w = 1 - -4. Suppose -x = -w*h - 35, -2*h + 4 = -6*h - 4*x. Let q = h + 13. Solve 4*i - 27 = -q for i.

5

Let i = -4 - -7. Suppose -5*j + 7 = -i. Let p be 1/(j/8*2). Solve p*c = -c for c.

0

Let w® = r3 - 4*r2 - 3*r - 7. Let q be w(5). Solve q*i - 15 = -0*i for i.

5

Suppose -2*g + 3*r + 6 = -11, -5*r = 5*g + 20. Solve -g = -h + 2 for h.

3

Let w be (((-12)/(-18))/(4/(-6)))/(-1). Let f = 35 - 10. Suppose 4*o - 20 = -5*u, 0*u + 5*o - f = 5*u. Solve u = -2*v + v - w for v.

-1

Let q be (3 - -3) + -2 - 2. Let v(p) = p + 1. Let d be v(-3). Let l = d + q. Solve -n + 5*n = l for n.

0

Let o(q) be the first derivative of q⁴⁄₄ - 4*q³⁄₃ - 5*q**²⁄₂ + 6*q + 3. Let i be o(5). Solve i*u - 12 = 2*u for u.

3