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3x-15*2=5x-23
We move all terms to the left:
3x-15*2-(5x-23)=0
We add all the numbers together, and all the variables
3x-(5x-23)-30=0
We get rid of parentheses
3x-5x+23-30=0
We add all the numbers together, and all the variables
-2x-7=0
We move all terms containing x to the left, all other terms to the right
-2x=7
x=7/-2
x=-3+1/2
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