Suppose -2*o + 4 = -c, -15*o + 2*c = -18*o + 6. Solve 5*l - o*v + 7 - 20 = 0, 2*l - 11 = -5*v for l.

Let x(m) be the second derivative of -m⁵⁄₂₀ + m⁴⁄₂ + m3 - 2*m2 + 3*m. Let f be x(6). Let u = f - 8. Solve 3*d - 6 = -l, -3*d - u = 5*l - 6*d for l.

-3

Let f be 1/(⁶⁄₃₀ - (0 + 0)). Let s(n) = 15*n + 2. Let y be s(-2). Let p be 15 + -13 - y/1. Solve -f*i = 5*c + p, -6 = 4*c + 5*i + 23 for c.

-1

Let f be ⁵⁄₂ + (-63)/18. Let q be ((-84)/(-63))/(f/(-3)). Solve 5*i + 2*w - 10 = 0, q*w = -i + 2*i + 20 for i.

0

Suppose 6 = -5i - 14. Let v be 0(5 + -9)/i. Solve 2*d + 4*q = 3*d - 11, -4*d + 2*q + 16 = v for d.

3

Let l be 7 + 12 + 7 - 7. Solve -20*o + 11 = 3*w - l*o, -3*w + 19 = 5*o for w.

3

Suppose -2*g - 4 = -4*q, -7*q + 8*q = 3*g - 9. Suppose 0 = -2*y + 12 + 2. Let j be (-7)/(49/(-4))*y. Solve -w - 3*u = -j, -q = -2*u + 3 for w.

-5

Let m be 9/(-15) - 396/(-110). Solve 5*i - 2 = -m*n + 12, -2 = 4*i - 2*n for i.

1

Let j be -23 + 46 - ³³⁄₃. Solve 0 = -2*o + v - 7, j = o - 4*o + v for o.

-5

Let k(w) = -w**2 + 12*w - 30. Let a be k(7). Suppose 2*p - 4*p = 34. Let l be ⁵⁄₁₅ - p/3. Solve 0*z - a*z + 13 = -3*y, -2*z + 4*y = l for z.

5

Suppose -12*t + 74 - 4 = 10. Solve 0 = -t*y - 5*j - 30, 6 = -3*y + j - 8 for y.

-5