Let j(a) = 21*a3 - a2 + a + 1. Let b be j(-1). Let h = b + 21. Let x be h/((-4)/(-8) - 0) - -6. Solve r = -x*t - 0*r - 13, 4*r - 2 = 2*t for t.

-3

Let k = -1092 + 1097. Let i = -10 - -6. Let x be 6*2/(i/(-1)). Solve 0*d + x = -f - k*d, -2*d = f for f.

2

Suppose -66 = 4*z + 322. Let o = -94 - z. Solve 0 = 5*u - o*n - 14, 0*u + 2*n + 4 = -2*u for u.

1

Suppose -26*l + 23*l - 3*a - 15 = 0, 2*a + 14 = -3*l. Let r be (-18)/l - (-6)/(-4 + 16). Solve 5*z - 3*u + 7 = 0, -r*u + 3 = -4*z - 0 for z.

-2

Suppose -93*j + 1187 + 776 = 475. Solve x - 7 = d + 2*x, 3*d + 2*x = -j for d.

-2

Let k(d) = -7*d + 70. Let w© = 112*c - 1120. Let f(q) = 49*k(q) + 3*w(q). Let y be f(10). Solve 3*u - 4*u - p = -5, -2*u + 3*p = y for u.

3

Let u = -244 + 248. Suppose 7*a = 5*a + 10. Suppose u*j = -4*q + 24, j + 7 - 29 = -a*q. Solve d + 15 = -q*w, w = 4*w - 3*d for w.

-3

Let d® = -65*r - 13. Let g be d(-1). Suppose 50*a = g*a - 10. Let w(b) = 7*b**3 - 2*b + 1. Let y be w(1). Solve -6 = -3*f, a*z + 5 = 3*f - y for z.

-1

Let q(o) = o3 + 2*o2 + 4. Let f be q(0). Suppose -f = -4*k, 4*k + 5 - 40 = -u. Let l = u + -29. Solve l = 2*d + 3*g - 9, 0 = 2*g - 6 for d.

1

Let c(b) be the third derivative of 17*b2 + 0*b - b3 + 0 + 17⁄24*b4 - 1⁄30*b5. Let o be c(8). Solve 4*p + 12 = -o*n, -4*n - n = 5*p + 10 for n.

2