Suppose -5 = -z + a - 4*a, -z + 3*a = -5. Solve -2*j - 10 = -z*t, 0 = t + 5*j + 2 - 4 for t.

2

Let y = -127 - -137. Suppose 19*j = y + 28. Solve -b = -j*h - 2*h + 6, -5*h - 3 = 4*b for h.

1

Let a = 275 - 126. Suppose 286 + a = 15*x. Solve -4*t = -5*v + x, -3*t = -2*v + t + 14 for v.

5

Let q = 4512 + -4507. Solve 3*l = -5*i - 14, -i = -q*l + 3*l - 5 for l.

-3

Let o(t) = -t3 + 6*t2 + t - 3. Let h be o(6). Let c® = -r3 + 3*r2 - 83*r + 354. Let m be c(4). Solve 20 = 2*v + 5*s, -4*s - h = -v - m for v.

5

Suppose -29 + 44 = 5*s. Suppose -b + s = 0, -o - b + 3 = b. Let z be 2 + (-1 - -11) + o. Solve -4*q = -3*w + 7, 3*w - z = 5*q + 2 for w.

-3

Let b = 166 + -190. Let l be 40⁄28 + b/(-42). Solve 4*x = 4*o - 4, 2 = -l*o + x + 6 for o.

3

Let z(k) = -7*k3 + 20*k2 + 8*k - 5. Let x be z(3). Solve -27*c + 28*c - 4*r = -1, 2*c + 4*r = x for c.

3

Suppose 3*v - 20*i = -19*i + 17, 0 = -5*v - 2*i + 21. Solve -v*j + 0*u + 4*u = 13, 0 = -3*u + 6 for j.

-1

Let a(k) = -k**2 + 18*k - 36. Let d be a(15). Let p = 0 + -10. Let q be (p/15)/((-2)/d). Solve 4*l + 3*g + 13 = 0, -q*g = -9*l + 4*l - 23 for l.

-4