Suppose -13*r + 3 = -10*r. Solve -9 = -2*j - r for j.

Let j(b) = 2*b**2 - 3*b + 1. Let o be j(2). Suppose 2*i - 20 = 5*v, -4*v + 2*v + o = -3*i. Let y be (-3)/v - ¹⁄₂. Solve 3*x - 12 = -y*x for x.

4

Suppose 14 = -0*h + 2*h. Let o be 2/h - (-2)/(-7). Solve -3*r + 2*r = o for r.

0

Suppose -3*x = -x. Let k(n) be the second derivative of n⁵⁄₂₀ + 13*n⁴⁄₁₂ + n³⁄₆ + 15*n²⁄₂ + 2*n. Let w be k(-13). Solve -6 = -x*y - w*y for y.

3

Suppose -p + 9 = -3*r, 4*p - 8*p + r = -47. Suppose 2*h - 4*s + 0 = 4, 0 = -4*h + 4*s + p. Let d© = -c**2 + 9*c + 1. Let t be d(8). Solve -h*l = -l + t for l.

-3

Let t© = c**2 + 6*c + 6. Let x be t(-5). Suppose x = -2*n + 7. Solve 5*j = n*j + 2 for j.

1

Let z(j) = j3 - 2*j2 - 3*j. Suppose 2*r + 21 = 5*r. Suppose -3*t + 2*v = -2*v + r, 3*t - 5*v = -11. Let o be z(t). Solve -s + 2*s - 5 = o for s.

5

Let i(q) be the third derivative of -q⁵⁄₆₀ - 5*q⁴⁄₂₄ + q**2. Let o be i(-5). Suppose 10*s - 5*s - 10 = o. Solve 0 = d + s*d - 6 for d.

2

Let c = -5 + -7. Let f = c + 2. Let v be ((-42)/f)/((-2)/(-10)). Solve 5*h - v - 4 = 0 for h.

5

Let l be -3 - (-4)/((-4)/(-5)). Suppose -i = -0i - l. Let f be (-1)/(-2)(4 + i). Solve 2*b + f = b for b.

-3

Let v(z) = 2*z**2 - 34*z. Let u be v(17). Solve 0*i - 4*i - 20 = u for i.

-5