Let c(t) = t**3 - 7*t**2 + t - 5. Let j be c(7). Let k = -8 - -13. Suppose k*f = -y + 1, 4*y + 21 = 6*f - f. Solve -r = -j - f for r.

Suppose -55 - 25 = -2*q. Let i be (¹⁸⁄₁₅)/(12/q). Suppose -5*d + 2*v + 7 = 0, d + 2*v + 1 = i*d. Solve d*s = 2*s for s.

0

Let h = 4 + 1. Suppose 3*q = 5*t - 5, 3*q + h - 10 = -5*t. Solve q = 3*i + 1 - 10 for i.

3

Let r = 17 - 13. Let v be 2r/(-8)-5. Solve 0 = -0*l - v*l - 20 for l.

-4

Let h(d) = 6*d - 2. Let n be h(1). Solve -3*k + n + 8 = 0 for k.

4

Let m(s) = -8 + 0*s + 4*s + 0 - 3*s. Let t be m(8). Suppose -h - h = t. Solve 6*o - 2*o - 8 = h for o.

2

Suppose -6 - 2 = -s. Solve 7 = 3*i - s for i.

5

Let v(x) = x3 - 3*x2 + 4*x - 5. Let g be v(4). Solve 0 = -4*a - g + 7 for a.

-5

Let u be (-2)/(-4)1-2. Let v be 4 + -2 + (-4)/u. Solve v = -0*h + 2*h for h.

3

Let a(n) = -4*n - 14. Let c be a(-4). Solve 6 + 4 = c*x for x.

5

Suppose 0 = 5*w - l - 10, 7*l - 4 = -2*w + 3*l. Suppose 0 = -6*f + w*f. Suppose 0 = 3*t - 5*y - 40, -5*t + 0*y + 40 = 5*y. Solve -t = -5*z - f for z.

2