Suppose 5*z + 25 = 0, 0*v + 7 = 2*v - z. Let u = -1 + 2. Let l = v - u. Solve l*d = -4*d for d.

Let a(u) = 11*u - 19. Let s be a(4). Solve x - s = 6*x for x.

-5

Suppose 8 = 7*i - 3*i. Let z = 10 - -2. Solve -i*t = t + z for t.

-4

Let i(v) = 2*v**2 + 5*v + 4. Let t be i(-2). Suppose -k = -3*z - 3, -2*k - z - t = z. Solve k = -y + 4*y for y.

0

Suppose -7 = -5*l - 4*f - 3, f - 1 = -l. Solve l = 2*m - 4 - 6 for m.

5

Let z = 37 - 22. Solve 0*g - z = -5*g for g.

3

Suppose -4*y + 0y - 4 = 0. Let t be y + -1(1 + -3). Solve 11 + t = 3*m for m.

4

Let i be (-32)/(-10) + 2/(-10). Let a = -8 + 5. Let s = a + 3. Solve i*m + s*m - 15 = 0 for m.

5

Let j(d) = d3 - 3*d2 + d - 1. Let b be j(3). Solve i - b*i - 1 = 0 for i.

-1

Let a be (-7)/14 + ¹⁹⁄₂. Solve 4*c + 11 = -a for c.

-5

Suppose 5*s + 25 = 4*w, 5*w + 20 = 3*w - 4*s. Suppose w*r + 20 = 4*r. Solve -r*f - 8 = -3*f for f.

-4