Let z be (4 - 0)/(10⁄25). Suppose z + 6 = r. Solve -r = 4*f - 8*f for f.

4

Let c(y) = y - 1. Let i be c(1). Suppose -4*t - 7 + 23 = i. Solve -t*a - 10 = a for a.

-2

Let c be (-2)/5 - (21⁄15)/(-1). Solve -u + c = -3 for u.

4

Let v = 15 - 35. Let h be v/(-6) - 1⁄3. Solve -4*n = -7*n - h for n.

-1

Let k(i) be the second derivative of 1⁄20*i5 - 1⁄4*i4 - 1⁄2*i3 + 2*i - 3⁄2*i2 + 0. Let r be k(4). Solve -8 = -3*z + r for z.

3

Suppose r - 4*r = -9. Solve r*s = -0*s for s.

0

Let b(k) = 1 + 2*k + 0 - 5*k. Let t be b(-2). Let l = -3 + t. Solve 3*z + l = -5 for z.

-3

Let r(q) = 2*q - 4. Let y = 8 - 4. Let h be r(y). Solve 2*o + 12 = h for o.

-4

Let n(j) = -2*j - 1 + 4*j - 1 + j. Let s be n(3). Suppose 2*x + 3*r - 13 = 0, -5*x + 0*x + r = -s. Solve d = x*d for d.

0

Suppose h + 1 = 6*t - t, 3*t + 2*h = -2. Solve t*s = -3*s for s.

0