+39 -(5x+7)+1=-5x-5
Well, a negative outside the parentheses just turns the numbers inside the parentheses to negative numbers.
-5x+-7+1=-5x-5
Add like-terms. I highlighted the like-terms we have to deal with (which is -7 and 1).
-5x+-6=-5x-5
Subtract the lowest variable on each side. Here the variable is the same, so it doesn't matter which one we use.
-5x+-6=-5x-5
-5x -5x
___________
-6=-5x
Divide the variable on each side.
-6 -5x
__ = __
-5 -5
x=1.2
1.2 made into a fraction would be 1 1/5.
