Solve -7*x + 20*x = 0 for x.

0

Solve 25*a + 20 = 120 for a.

4

Solve -320 = 7*o + 57*o for o.

-5

Solve 1261 = -9*f + 1351 for f.

10

Solve -6*j + 7*j = -4 for j.

-4

Solve -6 = -3*y - 0 for y.

2

Solve -20*c + 1 = -19 for c.

1

Solve -14*z + 56 = -42 for z.

7

Solve 15*w - w = -3*w for w.

0

Solve 12*g + 32 = 4*g for g.

-4