28x+15(7-x)=131

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Solution for 28x+15(7-x)=131 equation: 



28x+15(7-x)=131

We move all terms to the left:

28x+15(7-x)-(131)=0

We add all the numbers together, and all the variables

28x+15(-1x+7)-131=0

We multiply parentheses

28x-15x+105-131=0

We add all the numbers together, and all the variables

13x-26=0

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

13x=26

x=26/13

x=2

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