Question

What is the solution of the following system?
3x+3y =10
-9x-9y=-30

STEP BY STEP PLEASE! (:

Answer 1

Step 1 add -3y to both sides
3x+3y+-3y=10+-3y
3x=-3y+10
Step 2 divide both sides by 3
3x/3= -3y+10/3

The answer is x= -y +10/3