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0.38x+0.44(x+7)=0.40
We move all terms to the left:
0.38x+0.44(x+7)-(0.40)=0
We add all the numbers together, and all the variables
0.38x+0.44(x+7)-(0.4)=0
We add all the numbers together, and all the variables
0.38x+0.44(x+7)-0.4=0
We multiply parentheses
0.38x+0.44x+3.08-0.4=0
We add all the numbers together, and all the variables
0.82x+2.68=0
We move all terms containing x to the left, all other terms to the right
0.82x=-2.68
x=-2.68/0.82
x=-3+0.22/0.82
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