Suppose 25 = 4*t + x, 5*t - 15 = -x + 3*x. Solve t*w - 16 = -6 for w.

2

Suppose 3*v = 2*v + 4. Suppose -v*u + 5 = -n, -5*n - 3*u + 23 = u. Suppose -5*f - q + 2 = -12, 0 = n*f - 3*q - 12. Solve 0 = f*p - 12 for p.

4

Suppose l + 8 = -3*l + 4*h, 5*l - 20 = -h. Solve l*b - 2*b = -2 for b.

-2

Let s = 86 - 84. Solve 0 = -4*y - 2 - s for y.

-1

Let i be (18/(-15))/3*-10. Solve -2*z - i = -4*z for z.

2

Let r(y) = -2*y**2 + 3*y - 1. Let l be r(1). Solve l = q - 4*q - 6 for q.

-2

Let j(l) be the second derivative of -l5⁄20 + 2*l4⁄3 + l3⁄6 - 2*l2 - l. Let k be j(8). Solve 0 = k*u - 0 - 4 for u.

1

Let q = -10 - -4. Let c(s) = -4*s + s + s - 4. Let b be c(q). Solve 4*d - 20 = -b for d.

3

Let p(h) = -h3 + 12*h2 + 2*h - 15. Let t be p(12). Let f = t - 4. Solve -4*y + f = 1 for y.

1

Let o© = -6*c + 4. Let z be o(-3). Suppose 5*t = a - 14, -3*a - z = -7*a + 3*t. Solve -a*h + 7*h = 3 for h.

1