Suppose 5*x + y = 15, -2*y - 10 = -5*x - 4*y. Let s(w) = 2*w - 4. Let u = -4 - -9. Let r be s(u). Solve 2*i = x*i - r for i.

3

Suppose -20 = -4*g - g. Suppose 8 = 4*a - g. Suppose -3*r = -2*r + b - 6, 5*b = -4*r + 20. Solve a*k = 1 - r for k.

-3

Suppose 0*y = -2*y + 80. Suppose 0 = 2*t - 0*t - y. Solve -2*q + t = 2*q for q.

5

Suppose -22 = 4*g - 62. Solve -5*d + g = -15 for d.

5

Let f = -31 + 34. Solve 5 = -4*r - f for r.

-2

Let b(g) = -6*g2 - g3 + 5*g - 5 - 1 + 0*g. Let a be b(-7). Solve 4*s = a*s for s.

0

Let i(d) = -2*d2 + d2 + 2 - 4*d2 + d3. Let w© = -c - 1. Let b be w(-6). Let a be i(b). Solve -3*s - a = 13 for s.

-5

Suppose 2*g + 5*q - 4*q = 0, 2*q + 1 = -5g. Let v be (g - 0)(4 + -8). Solve 3*x + v = 1 for x.

-1

Suppose -2*t = 25 - 65. Solve -3*c - t = -8*c for c.

4

Let k be (4⁄6)/((-2)/(-42)). Suppose 3*x - 1 + 7 = 0, 5*h + 2*x = 6. Suppose r + h = k. Solve c - r = 5*c for c.

-3