Suppose -j + 28 = 3*j. Solve 2*x + j = 1 for x.

Suppose -4*r + 13 = -r + 5*t, 2*r = 3*t + 15. Solve -5*l - 14 - r = 0 for l.

-4

Suppose 4*n = n - 4*a - 16, 0 = 4*n + 5*a + 20. Suppose -2*b = 2*b. Solve n*v + 2*v = b for v.

0

Suppose -2*r = -4*t + 3*t + 29, -5*r = 5*t - 115. Solve -t = -3*l - 2*l for l.

5

Let i be -3 - -2(-3)/(-6). Let c be i - (-2 + 3-7). Solve 1 = -4*k + c for k.

5

Let h(j) be the first derivative of j³⁄₃ - j2 + 3*j + 4. Let l be h(3). Solve 4*f - l*f = 0 for f.

0

Let o be 3/(3/(-1 + 4)). Suppose 0 = b - o*b. Let h = 2 + b. Solve h = -5*n - 23 for n.

-5

Let y(i) = i3 - 3*i2 + i + 2. Suppose 2*s + 4 = 4*s. Let v be y(s). Suppose 0*z + m = -z + 6, 0 = z + 2*m - 7. Solve v*d = z*d - 10 for d.

2

Let s be 0 - (3 + -4 + 1). Suppose s = -0*y + y - 4. Solve y*k + 24 = 8 for k.

-4

Let h be (21/(-2))/7*-2. Suppose 8*z - h*f = 3*z - 2, 4*f - 18 = -z. Solve -z*g = 3*g + 5 for g.

-1

Suppose 6*d - 34 = -5*v + 2*d, 4*v - 24 = -4*d. Let n = 16 - v. Solve 0 = 3*u - n*u - 6 for u.

-2