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3.8(2x-7)+1.4(6+3x)=20x+30.6
We move all terms to the left:
3.8(2x-7)+1.4(6+3x)-(20x+30.6)=0
We add all the numbers together, and all the variables
3.8(2x-7)+1.4(3x+6)-(20x+30.6)=0
We multiply parentheses
7.6x+4.2x-(20x+30.6)-26.6+8.4=0
We get rid of parentheses
7.6x+4.2x-20x-30.6-26.6+8.4=0
We add all the numbers together, and all the variables
-8.2x-48.8=0
We move all terms containing x to the left, all other terms to the right
-8.2x=48.8
x=48.8/-8.2
x=-5+4.33333333333/4.55555555556
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