Suppose 6*y - 4*y = 20. Suppose 6*l - 4*l - 4 = 0. Let o be 10/l - (-1 - -3). Solve o*q = 4 - y for q.

Suppose 2*v = -8, 4*v = -5*u + 2*u + 44. Let o(z) be the third derivative of -z⁶⁄₂₀ - z⁵⁄₃₀ + z³⁄₆ - 2*z2. Let j be o(-1). Solve j*m = m - u for m.

-5

Let k = 520 + -500. Suppose 5*r = 3*r. Suppose 0 = 4*u + u - 20. Solve u*l - k = -r*l for l.

5

Suppose -3*d + 19 + 8 = 0. Let a(p) = p - 7. Let y be a(d). Solve y*z = 15 - 5 for z.

5

Let r(w) = -w - 2. Let f be r(-3). Let s be (-1)/((2/(-4))/f). Let o = -18 - -22. Solve 0 = s*n - 14 + o for n.

5

Let j(t) = t**2 + 13*t + 3. Let z be j(-13). Suppose -2*r = z*r - 25. Solve 0*g = -r*g + 10 for g.

2

Let r(x) = -x**2 + 10x - 12. Let s be 1(-1 + 0) - -9. Let g be r(s). Solve 0 = 4*c + g - 0 for c.

-1

Suppose -5*x - 2*y + 20 = 3*y, -x + y - 4 = 0. Solve 5 = -x*t + t for t.

5

Suppose d + 5*f = 14, -4 = 5*d - 5*f - 14. Suppose n + 8 = -5*q, 22 = 3*n + 3*q - 2. Suppose -d*s = -s - n. Solve -s*p = -2 - 10 for p.

3

Suppose -7*b + 3*b = 0. Let z be ²⁄₆*0 + b. Solve 3*q + z*q = 0 for q.

0

Suppose t = -3*k + 13, -2 = 2*t - t - 2*k. Suppose t*m + 12 = -d, -2*d + 6 = 3*d - 2*m. Suppose 2*o = h - d + 2, -o - 5 = -2*h. Solve 0*a = h*a + 4 for a.

-1