Solve -81*y + 1279 + 179 = -r, -r - 2*y + 58 = 22 for r.

0

Solve 2*i - 4*s + 18 = 0, -20*i - 21 = -19*i - 0*s + 4*s for i.

-13

Solve -5*q + 12 + 70 = -3*k, 5*q + 22*k = 21*k + 86 for q.

17

Solve i = 2*w + 19, -3*w - 845 = i - 829 for w.

-7

Solve 35*a - 100 = z, -4 - 8 = a + 505*z - 508*z for a.

3

Solve 4470*w + 15 = a + 4473*w, 3*a = 6*w + 15 for a.

9

Solve 5*a - 8*a - 61 = -16*j + 25, 4*a + 13 = j for a.

-2

Solve -2*r + 0*v = -2*v - 3*v - 28, r - v - 20 = 0 for r.

24

Solve r - 36 = -4*h, -7*r + 78 + 173 = 3*h + 99 for h.

4

Solve 4*u + 2362 - 1194 = -6*x + 1186, -5*u = x + 10 for u.

-3