Suppose 4*g + 0*s - 48 = 4*s, -4*g + 80 = 4*s. Let o be (-23)/5 + 2/(-5). Let f = o + g. Solve 5*c - f = 4 for c.

3

Suppose u + w - 1 = 0, 4*u - 5*w = -u + 15. Let z(m) = 3*m**3 + 2*m. Let f be z(u). Solve 0 = 4*h + 8 - f for h.

5

Suppose -2*u - 2*u + 3*d = -21, 0 = 4*d + 12. Let x = u + 2. Solve 8 + 7 = -x*w for w.

-3

Let h be (4⁄8)/((-2)/(-72)). Let s = -13 + h. Let d = 17 + -11. Solve -d*u + u = s for u.

-1

Suppose 2*o + f = o + 4, o - f = -2. Let n be 2/(16/(-10) - -2). Solve n - o = -r for r.

-4

Suppose 0 = t + t. Suppose -2*b + 0*b = t. Suppose 2*o = -2*o - 3*c + 31, b = -3*c + 15. Solve -o*r = -6*r - 4 for r.

-2

Let y(x) = 2*x2 - 7*x - 1. Let k© = -2*c2 + 6*c + 1. Let o(m) = -6*k(m) - 5*y(m). Let r be (-3 + 2 - 0)*1. Let h be o®. Solve 6 = -v + h for v.

-4

Let r(g) = -5*g - g**2 + 6*g + 3*g. Let x be r(3). Solve 0 = -x*l + 2*l - 3 for l.

-3

Let y be (1 - 6⁄3)*-3. Suppose -2*j + 0*j + 7 = y*n, -5*j = 4*n - 28. Let u = -5 + j. Solve -8 - 4 = u*c for c.

-4

Let z(f) = 3*f - 61. Let v be z(21). Solve -v*k + 4*k = -2 for k.

-1