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