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18x+8=30x+54
We move all terms to the left:
18x+8-(30x+54)=0
We get rid of parentheses
18x-30x-54+8=0
We add all the numbers together, and all the variables
-12x-46=0
We move all terms containing x to the left, all other terms to the right
-12x=46
x=46/-12
x=-3+5/6
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