(7.7x+8.7)+(7.4x+7.2)=127.64

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Solution for (7.7x+8.7)+(7.4x+7.2)=127.64 equation: 



(7.7x+8.7)+(7.4x+7.2)=127.64

We move all terms to the left:

(7.7x+8.7)+(7.4x+7.2)-(127.64)=0

We add all the numbers together, and all the variables

(7.7x+8.7)+(7.4x+7.2)-127.64=0

We get rid of parentheses

7.7x+7.4x+8.7+7.2-127.64=0

We add all the numbers together, and all the variables

15.1x-111.74=0

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

15.1x=111.74

x=111.74/15.1

x=7+1.9868421052632/4.9671052631579

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