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4=15x-30.
We move all terms to the left:
4-(15x-30.)=0
We add all the numbers together, and all the variables
-(15x-30)+4=0
We get rid of parentheses
-15x+30+4=0
We add all the numbers together, and all the variables
-15x+34=0
We move all terms containing x to the left, all other terms to the right
-15x=-34
x=-34/-15
x=2+4/15
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