Solve -2*r = 3*r - 10 for r.

2

Solve 320 = 5*i + 290 for i.

6

Solve 13 = -7*n - 15 for n.

-4

Solve -1 = -5*k - 21 for k.

-4

Solve 91 = -28*i + 119 for i.

1

Solve -16*h = 87 + 25 for h.

-7

Solve 6*v - 20*v = 0 for v.

0

Solve -4*a - 7*a + 33 = 0 for a.

3

Solve -36 = 65*n + 289 for n.

-5

Solve -23 = -2*w - 33 for w.

-5