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0.3(480)+0.55(x)=0.40(x+480)
We move all terms to the left:
0.3(480)+0.55(x)-(0.40(x+480))=0
We add all the numbers together, and all the variables
0.55x-(0.40(x+480))+0.348=0
We calculate terms in parentheses: -(0.40(x+480)), so:We get rid of parentheses
0.40(x+480)
We multiply parentheses
0.4x+192
Back to the equation:
-(0.4x+192)
0.55x-0.4x-192+0.348=0
We add all the numbers together, and all the variables
0.15x-191.652=0
We move all terms containing x to the left, all other terms to the right
0.15x=191.652
x=191.652/0.15
x=1277+0.102/0.15
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