7(2.1x+7.8)=131.04

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Solution for 7(2.1x+7.8)=131.04 equation: 



7(2.1x+7.8)=131.04

We move all terms to the left:

7(2.1x+7.8)-(131.04)=0

We add all the numbers together, and all the variables

7(2.1x+7.8)-131.04=0

We multiply parentheses

14x+54.6-131.04=0

We add all the numbers together, and all the variables

14x-76.44=0

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

14x=76.44

x=76.44/14

x=5+2.6393442623/5.73770491803

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