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(8.4+7.4)x=8.2
We move all terms to the left:
(8.4+7.4)x-(8.2)=0
We add all the numbers together, and all the variables
(15.8)x-(8.2)=0
We add all the numbers together, and all the variables
(15.8)x-8.2=0
We multiply parentheses
15.8x-8.2=0
We move all terms containing x to the left, all other terms to the right
15.8x=8.2
x=8.2/15.8
x=6.8333333333333/13.166666666667
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