Suppose v + 3 = j, 2*v - j + 21 = 4*j. Solve v*y = 1 + 7 for y.

4

Suppose 0*r = -2*r - 14. Let v = 8 + r. Solve 0 = i - v + 6 for i.

-5

Suppose 7*a = 55 + 29. Solve -w - 2*w = a for w.

-4

Let l be 0/(-2)*(-4)/(-8). Suppose l = 3*m - 5*f - 15, -m + 5*f + 5 = -0. Suppose -4*k + 20 + 16 = 2*b, 4*k = m*b - 20. Solve 3*s - b = s for s.

4

Let o(x) = x**2 + 5*x - 10. Let q be o(-7). Solve -q = 5*u + 1 for u.

-1

Let v© = -c3 + c2 - c. Let h® = -4*r3 + 14*r2 - 15*r. Let s(z) = h(z) - 5*v(z). Let g be s(-10). Let m = -6 - -11. Solve x + m = -g*x for x.

-5

Suppose 4*a - 8 = 5a. Let n be 20/a(-4)/10. Suppose 2*r + 0*r = -3*m + 10, -3*m + 15 = 3*r. Solve u + 2 - n = m for u.

-1

Let l(g) = -4*g**2 - 2*g - 4. Let n be l(-3). Let f be 2⁄3 + n/(-3). Let z(x) = -x - 3. Let j be z(-6). Solve j*o - 6*o = -f for o.

4

Let x(o) = -5*o - 4. Let w be x(-2). Solve t + t = w for t.

3

Suppose u + 4*z - 19 = 0, -u + 6 = 3*z - 9. Solve -h = -2*h + u for h.

3