Question

What is the c in 9- c = -13

Answer 1

9 - c = -13

Take away 9 from both sides to isolate the -c:

-c = -13 - 9

-c = -22

Multiply both sides by -1 to get +c:

-1 × -c = -1 × -22

c = 22

Therefore your answer is c = 22. :)