Answer:
x = 5
Explanation:
Add like terms - - -
So combine -4x and 10x
(You are basically adding the coefficients - - - add -4 and 10 together!)
-4x + 10x = 30
Note: You can rewrite this if it helps you as:
10x - 4x = 30
6x = 30
Now divide both sides by 6 to "isolate" the x:
6x/6 = 30/6
x = 5