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3.9(x-3.7)=15.99
We move all terms to the left:
3.9(x-3.7)-(15.99)=0
We add all the numbers together, and all the variables
3.9(x-3.7)-15.99=0
We multiply parentheses
3.9x-14.43-15.99=0
We add all the numbers together, and all the variables
3.9x-30.42=0
We move all terms containing x to the left, all other terms to the right
3.9x=30.42
x=30.42/3.9
x=7+1/1.25
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