Suppose 3*f + 5 = k + 4*f, 0 = f - 3. Let y be 2/k - (5 - 4). Solve j + 2 - 6 = y for j.

4

Suppose -4*n = 3*w - 60, 3*n + 0*w + w = 45. Suppose 13*t = n*t. Solve t*j + 8 = 4*j for j.

2

Suppose -8*x = -5*y - 3*x + 15, -5*y + 15 = -4*x. Solve 0 = -y*g + g for g.

0

Let z(t) = t2 + 1. Let p(y) = -7*y2 + 2*y - 7. Let s(u) = -p(u) - 4*z(u). Let r be s(1). Solve 2*j = 4 + r for j.

4

Let b(a) = -3*a**2 + 2. Let t be b(2). Let v be ((-6)/(-4))/((-5)/t). Suppose n = -4*r - r + 2, -v*r = -2*n + 4. Solve 5*x = -r*x for x.

0

Suppose 0*f = -2*f. Solve f = -2*q - 0*q - 10 for q.

-5

Suppose 2*s - 28 = -4*n - 6, -18 = -4*n + 2*s. Suppose 3*k = 5*u + 4 - 3, -5*u + 15 = nk. Let m be u/(-10)-4*10. Solve m = v + 3 for v.

1

Suppose 4*y - 4*o = 0, 0 = -y + 3*o - 7 + 3. Let j be (-5 - -7)/(y/12). Solve 2*u + j = -u for u.

-4

Suppose 3*v - 5*h - 30 = 0, -3*v + 4*h + 48 = 5*h. Let u be 1 - ((-91)/(-117) - (-2)/9). Solve 2*d - 7*d + v = u for d.

3

Let x(d) be the second derivative of -d5⁄20 + d4⁄3 + d3⁄2 - d2 - 6*d. Let n be x(4). Solve 3*q - n = q for q.

5