6. 4 − 6 + c = – 9c + 8 find what c=

4 - 6 + c = -9c + 8

Collect like terms:

-2 + c = -9c + 8

Isolate c by adding 2 to both sides:

c = -9c + 10

Isolate 10 by adding 9c to both sides:

10c = 10

Divide both sides by 10 to get the value of c:

c = 1