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4x+9=5(2x-3)
We move all terms to the left:
4x+9-(5(2x-3))=0
We calculate terms in parentheses: -(5(2x-3)), so:We get rid of parentheses
5(2x-3)
We multiply parentheses
10x-15
Back to the equation:
-(10x-15)
4x-10x+15+9=0
We add all the numbers together, and all the variables
-6x+24=0
We move all terms containing x to the left, all other terms to the right
-6x=-24
x=-24/-6
x=+4
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