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19.50=4.30(x+3)
We move all terms to the left:
19.50-(4.30(x+3))=0
We add all the numbers together, and all the variables
-(4.30(x+3))+19.5=0
We calculate terms in parentheses: -(4.30(x+3)), so:We get rid of parentheses
4.30(x+3)
We multiply parentheses
4.3x+12.9
Back to the equation:
-(4.3x+12.9)
-4.3x-12.9+19.5=0
We add all the numbers together, and all the variables
-4.3x+6.6=0
We move all terms containing x to the left, all other terms to the right
-4.3x=-6.6
x=-6.6/-4.3
x=1+1/1.8695652173913
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