Suppose -5*k = 19 - 19. Let s = -65 - -98. Suppose 2*n + n + s = 2*r, -n - 39 = -3*r. Solve i + 2*i + r = k for i.

Let n(l) = -l3 - 2*l2 + 4*l + 4. Let t be n(-3). Solve -4*c = 3 + t for c.

-1

Let b = -9 + 15. Suppose -i - 10 = -b*i. Solve 0 = d - i*d - 3 for d.

-3

Let v = -4 + 12. Solve v*z = 3*z for z.

0

Let y be (-10)/35 + (-89)/7. Let a(f) = -f**2 - 14*f - 7. Let p be a(y). Let h = p + -3. Solve u = -h*u - 8 for u.

-2

Let f = -4 + 6. Let x = -7 - f. Let r be (3/x)/(2/(-6)). Solve -d = -r + 4 for d.

-3

Let d = 3 - 2. Suppose -5*o = 9 - 4. Let s be d/(2 - 1) + o. Solve t = -s*t for t.

0

Suppose o + 0 = 1. Let q be (-6 - -1 - -2) + o. Let u be q/(-1) + 3 + 3. Solve n - u = -3*n for n.

2

Let u = 0 + 5. Solve u*m + 7 + 3 = 0 for m.

-2

Let v(s) be the second derivative of -s⁵⁄₂₀ + s⁴⁄₂ - s³⁄₆ - s²⁄₂ - 3*s. Let b be v(4). Solve b - 7 = -4*u for u.

-5

Let j be (-10)/(5/(15/(-6))). Let c be (-9)/(-3) + 0/2. Suppose 3*s = -2*k - 2 - 3, -5*k - 20 = 0. Solve -j = c*a + s for a.

-2