Let m(r) = r**2 - 12*r - 42. Let s be m(15). Solve 0 = -s*k + 9 - 0 for k.

Suppose 20 = -s - 3*s. Let l be (s/10)/((-1)/4). Suppose 5*q - 2*z - 2 = 4*q, 5*z = -l*q + 4. Solve -1 - q = o for o.

-3

Let v = -7 + 7. Solve v = o + 2*o for o.

0

Suppose -229 + 37 = -8*g. Solve -5*t - g = -9 for t.

-3

Let k be 3 - 2 - (0 + -1). Let s be (-1 + ⁶⁄₃)/((-7)/(-63)). Solve -5*z + k*z + s = 0 for z.

3

Suppose 0 = x + x - 20. Solve 3*w + x = -5 for w.

-5

Let k = -10 - -14. Let a = k + 0. Solve g = -a*g + 20 for g.

4

Let j be (-4)/18 + ²⁰⁄₉. Let w = -25 - -15. Let h = w + 12. Solve h = j*u + 6 for u.

-2

Let i be ((-10)/(-6))/(¹⁰⁄₁₂). Solve -9 = -a - i*a for a.

3

Suppose 0 = 5*a - a. Let v(n) = n - 10. Let t be v(13). Solve a = -2*l - t*l for l.

0

Let v be (6/(-12))/(¹⁄₄). Let q = 2 - v. Solve -q = -2*y - 0*y for y.

2