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4.35x+5.45(130-x)=681.70
We move all terms to the left:
4.35x+5.45(130-x)-(681.70)=0
We add all the numbers together, and all the variables
4.35x+5.45(-1x+130)-(681.7)=0
We add all the numbers together, and all the variables
4.35x+5.45(-1x+130)-681.7=0
We multiply parentheses
4.35x-5.45x+708.5-681.7=0
We add all the numbers together, and all the variables
-1.1x+26.8=0
We move all terms containing x to the left, all other terms to the right
-1.1x=-26.8
x=-26.8/-1.1
x=24+0.4/1.1
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