Suppose -i - 5*w - 3 = 0, 0*i + 3*w - 7 = -5*i. Solve 2*u - 8 = -i*u for u.

Let c be ((-1)/3)/((-2)/102). Let v be 2 + -1 + 8 + -6. Suppose j - 4*r - 8 = -v*j, -5*j + 2*r + 19 = 0. Solve j*n + 3 + c = 0 for n.

-4

Let n(s) = -s3 - 5*s2 + 6*s + 3. Let g be n(-6). Suppose 1 - 7 = -g*k. Solve -k*u + 0*u = -8 for u.

4

Let t be 7/(-7) - (-8 + 1). Let d be (³⁄₂)/(t/8). Solve d = -3*c + 5 for c.

1

Let h be (3 + -8 - -2) + -7. Let g be (-1)/2*(0 + h). Solve 0 = -g*q - 26 + 6 for q.

-4

Suppose -5 = -2*z + z. Let h = 134 - 119. Solve -5*x = z + h for x.

-4

Suppose 4*i - 8 = 2*i + c, -16 = -2*i + 3*c. Let s = i + -2. Solve -2*y - 2*y - 16 = s for y.

-4

Suppose -2*q + 4 = 2*v, -3*v = -5*v + q + 13. Suppose -281 = -4*z + v*r, z - 142 = -z + 4*r. Let l be 2/(-7) + z/21. Solve l*t = -t + 8 for t.

2

Let v(j) = 3*j + 11. Let l be v(8). Suppose -4*a = a - l. Solve -2*x + a*x = 25 for x.

5

Suppose -11*r + 47 - 3 = 0. Solve -r = 4*m - 3*m for m.

-4

Let s(u) be the second derivative of u⁵⁄₂₀ + u⁴⁄₄ - 2*u³⁄₃ + 2*u2 - 2*u. Let v be s(-4). Suppose 0 = -a + v*a - 12. Solve -3*d = -a*d + 3 for d.

3