Solve 13*r - 16*r - 4*y = -17, 4*r - 4*y = 4 for r.

3

Solve 7 = t + 4*y + 4, 2*t - 3*y = -5 for t.

-1

Solve 3 = -3*r + 3*f, -6*f = -2*r - f - 2 for r.

-1

Solve -3*a + 3 = -3*f, 2*a + 7 = -2*f + 7*f for f.

3

Solve -144*y - 30 = -5*c - 140*y, -4*y = 0 for c.

6

Solve -181*h - p = -184*h + 22, 0 = h - 4*p - 33 for h.

5

Solve 0 = 3*g - 3*t + 9, 4*t - 35 = -5*g - 5 for g.

2

Solve 2*s - 10*w + 5 = -9*w, -2*s - 2*w - 8 = 0 for s.

-3

Solve 4*z - 1 = -5*i, 0 = -i + 3*z - 119 + 104 for i.

-3

Solve -y = 3*y - 2*d - 14, d = -y - 4 for y.

1