3(3.1x-4.2)=6.2x+31

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Solution for 3(3.1x-4.2)=6.2x+31 equation: 



3(3.1x-4.2)=6.2x+31

We move all terms to the left:

3(3.1x-4.2)-(6.2x+31)=0

We multiply parentheses

9x-(6.2x+31)-12.6=0

We get rid of parentheses

9x-6.2x-31-12.6=0

We add all the numbers together, and all the variables

2.8x-43.6=0

We move all terms containing x to the left, all other terms to the right

2.8x=43.6

x=43.6/2.8

x=15+1/1.75

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