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3.5x+5(45-x)=4.50(45)
We move all terms to the left:
3.5x+5(45-x)-(4.50(45))=0
We add all the numbers together, and all the variables
3.5x+5(-1x+45)-(4.5045)=0
We add all the numbers together, and all the variables
3.5x+5(-1x+45)-4.5045=0
We multiply parentheses
3.5x-5x+225-4.5045=0
We add all the numbers together, and all the variables
-1.5x+220.4955=0
We move all terms containing x to the left, all other terms to the right
-1.5x=-220.4955
x=-220.4955/-1.5
x=146+1/1.00300902708
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