Let u be -4 + (20 - 1) - 1. Solve 6 = 5*i - u for i.

Let y = 2 - -1. Suppose -2 = -6*a + 5*a. Suppose 5*p = 2*r + 5, 0 = -5*r + p - 3*p + a. Solve r = -y*x - 13 + 1 for x.

-4

Suppose 4*y + 4*l - 40 = 0, y - 3*l + 24 = 3*y. Suppose -5*f - y = -16. Let j = f + 1. Solve -5*a = -j*a - 2 for a.

1

Let l be (0 + 4)*⁵⁄₁₀. Suppose 4*u - 8 = 5*s, -u = 5*s + l - 4. Suppose -4*x + u*x + 4 = 0. Solve -b - x*b = 6 for b.

-2

Let i(m) be the first derivative of -1 + 2*m2 + ¹⁄₄*m4 + ⁴⁄₃*m**3 + 3*m. Let b be i(-3). Solve b = -r - 0*r for r.

0

Suppose 0*k - 4*k = -8. Suppose 0 = -0*r - k*r. Solve 3*v - v = r for v.

0

Let b© = 2 - 3 + 11*c + 0 + 0. Let y be b(2). Solve 0 = -4*v + y - 5 for v.

4

Let k(o) = 8*o - 1. Let y be (-4)/6 - 5/(-3). Let r be k(y). Suppose 0 = 5*a - 8 - r. Solve 5*z - 28 = -a for z.

5

Suppose 2*f - 3*g = 16, 4*f = -2*g + g + 18. Suppose -92 + 17 = -f*o. Solve -k - o = 2*k for k.

-5

Let v = -11 + 9. Let k = -2 - v. Solve -2*u - 1 + 9 = k for u.

4

Suppose 0 = -3*r + 4*r - 1. Let z be (r - -1)/((-1)/(-3)). Solve 5*n = 1 - z for n.

-1