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72=34+19x
We move all terms to the left:
72-(34+19x)=0
We add all the numbers together, and all the variables
-(19x+34)+72=0
We get rid of parentheses
-19x-34+72=0
We add all the numbers together, and all the variables
-19x+38=0
We move all terms containing x to the left, all other terms to the right
-19x=-38
x=-38/-19
x=+2
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