Suppose 0 = 10*r - 15*r + 45. Solve -1 = 2*d - r for d.

4

Let w(i) = -i3 + 8*i2 - 3*i - 4. Let h(a) = a + 1. Let u(f) = 3*h(f) - w(f). Let g be u(7). Solve -2*n + g - 4 = 0 for n.

-2

Suppose -4*a + 12 = -2*p, -p + a - 1 = 1. Let v(b) = 2*b + 19. Let x be v(-8). Solve p*f - x*f = 5 for f.

-5

Suppose 0 = -3*l + l + 6, -3*q + 12 = -4*l. Solve q = -3*t - t for t.

-2

Let q = 10 + 6. Let n = q - 16. Solve -2*z + 3 - 5 = n for z.

-1

Suppose -f - 2*v - 3*v + 17 = 0, 5*f = -3*v + 41. Suppose o + 2 = f. Solve l - o*l = 20 for l.

-5

Let d = 168 - 163. Solve -d = -j - 10 for j.

-5

Let o(m) = -m + 8. Suppose -3 = -2*d - 7. Let v(y) = -4*y - 2. Let k be v(d). Let j be o(k). Solve j*b - 10 = 7*b for b.

-2

Suppose 1 = 2*k - 3. Solve -k*g - 2*g = -8 for g.

2

Let h be ((-54)/45)/((-1)/5*1). Let a(j) = -j**2 - 6*j + 7. Let f be a(-5). Solve -3*w = -h*w - f for w.

-4