Solve 2*a - 3*r = 19, 5*a + 12*r = 16*r + 37 for a.

5

Solve 0 = c + 2*p + 3, -5*c + 50*p - 54*p - 9 = 0 for c.

-1

Solve -h - 7 = -3*a - 8, 4*a = -4 for h.

-2

Solve -5*f + 1 = -3*s + 20, 0 = -2*s - 2*f + 2 for s.

3

Solve -x = -0*x + 3*y - 5, -x - 4*y + 7 = 0 for x.

-1

Solve 0 = 2*l - 0*f + 5*f + 12, -5*f = 3*l + 13 for l.

-1

Solve k + 2*h = -2*h + 10, -2*h - 6 = -5*k for k.

2

Solve -5*y + p = -15, -2*y + 15 + 8 = 3*p for y.

4

Solve 4*p = 2*w - 10, -10 = w + p - 3 for w.

-3

Solve -2*s - 28 = -4*x, -x = 2*s - 112 + 115 for x.

5