Solve m - 2*a + 7 = 0, -3*m + a + 2*a = 15 for m.

-3

Solve 2*m + 4*l = -0*l + 14, m - 2*l = -9 for m.

-1

Solve -5*g = -5*i - 5, -2*g = -3*i - 6*g - 10 for i.

-2

Solve 0 = -2*n + 3 + 7, 20 = -2*o + 2*n for o.

-5

Solve 0 = 3*o - 3*f - 21, -3*o + f - 51 = -62 for o.

2

Solve -5*m - 4*b + 15 = -5, 0 = -2*b + 10 for m.

0

Solve -28 = 8*q - 5*q + 10*t, -4*t = 4*q for q.

4

Solve 5 = 86*x - 82*x - m, x = -m for x.

1

Solve -3*x = -m + 12, 4*m - 5 + 17 = -3*x for m.

0

Solve -d + 5*i = -0*d + 13, -15 = -3*d - 3*i for d.

2