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1.50(2.400+x)=12.000
We move all terms to the left:
1.50(2.400+x)-(12.000)=0
We add all the numbers together, and all the variables
1.50(x+2.4)-12=0
We multiply parentheses
1.5x+3.6-12=0
We add all the numbers together, and all the variables
1.5x-8.4=0
We move all terms containing x to the left, all other terms to the right
1.5x=8.4
x=8.4/1.5
x=5+0.9/1.5
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