Let z = 3 + 2. Suppose -3*s + 40 = z*c, -s - 2*c + 20 = 3*c. Solve 4*r - 10 = s for r.

Suppose -3*z - 28 = -34. Solve -7*d = -z*d - 25 for d.

5

Let x be (²²⁄₆ + -3)*¹⁸⁄₄. Solve -15 = -x*u - 6 for u.

3

Let v be 6/(-4) + ²⁷⁄₁₈. Let m = 3 + 1. Solve -p + m*p + 9 = v for p.

-3

Suppose 51 = 4*g - 89. Suppose 45 = 4*m - g. Solve -5*v + 0*v - m = 0 for v.

-4

Suppose -2*q - 4*s = -14, 0*q = -2*q - 2*s + 10. Suppose -3*r + 6 = q*d, 5*r = -0*r - 15. Let g be 9 + (-3 - 3)/(-2). Solve -g = -f + d*f for f.

-3

Let k(a) be the first derivative of -6*a - 1 - 5*a2 - ¹⁄₃*a3. Let q be k(-9). Solve q*o + o = 0 for o.

0

Suppose 4*q - 4*p - 4 = -0, 3*q - p - 9 = 0. Suppose 3*c - q = c. Solve t + c*t + 6 = 0 for t.

-2

Suppose 0 = 3*v + v + j - 4, -5*v - 3*j - 2 = 0. Let u(k) = 2*k. Let r be u(v). Solve -r*o + 17 = -3 for o.

5

Let i = 207 + -201. Let c be 1/(-3) - (-19)/3. Solve c*a - i = 4*a for a.

3

Suppose 0 = -5*u + 77 + 3. Suppose -3*n - 2*x + 28 = -x, -4*x = -u. Solve y = -y - n for y.

-4