Suppose -4*n = -2*n. Solve n*d - 3*d = 15 for d.

Suppose -2*l = -7*l. Suppose -5 = -z + 4*z - 4*s, 0 = 2*z - 2*s. Suppose 2*t = 5*x - 9, z*t - 4*t = -2. Solve j - x = -l*j for j.

1

Suppose 5*l - 3*i - 22 = -0*l, 16 = -4*i. Let g = 18 - l. Solve g = 3*z + z for z.

4

Suppose 0 = -3*j + 6 + 15. Solve -j + 3 = -2*t for t.

2

Let f(l) = -2*l + 6. Let c be f(7). Let y = 9 + c. Let k be (¹²⁄₉)/(y/3). Solve -9 = k*w - w for w.

-3

Suppose -2*i + 4 + 36 = 2*q, q - 4*i = 20. Let m(v) = -v3 - v2 + 1. Let y be m(-2). Suppose -15 = -y*u - 5. Solve u*l + 3*l - q = 0 for l.

4

Let m(x) = x - 4. Let b be m(6). Suppose -2*y = 3*y - 10. Suppose 3 + y = l. Solve 3*r + l = b for r.

-1

Suppose 5*j - 122 - 38 = 0. Solve j - 12 = -4*k for k.

-5

Suppose 0 = v - 0*v + 2*k - 13, 4*v - 4*k = 4. Solve v*q = 5 + 10 for q.

3

Let z = 0 - -7. Let v© = c**2 + 4. Let t be v(0). Let f = -15 + 24. Solve z*q + f = t*q for q.

-3

Let s = 16 - 8. Solve 5 = -9*g + s*g for g.

-5