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5x+9=2(x+8)
We move all terms to the left:
5x+9-(2(x+8))=0
We calculate terms in parentheses: -(2(x+8)), so:We get rid of parentheses
2(x+8)
We multiply parentheses
2x+16
Back to the equation:
-(2x+16)
5x-2x-16+9=0
We add all the numbers together, and all the variables
3x-7=0
We move all terms containing x to the left, all other terms to the right
3x=7
x=7/3
x=2+1/3
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