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378x=123/5
We move all terms to the left:
378x-(123/5)=0
We add all the numbers together, and all the variables
378x-(+123/5)=0
We get rid of parentheses
378x-123/5=0
We multiply all the terms by the denominator
378x*5-123=0
Wy multiply elements
1890x-123=0
We move all terms containing x to the left, all other terms to the right
1890x=123
x=123/1890
x=41/630
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