(4x+3x)/7=12

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Solution for (4x+3x)/7=12 equation: 



(4x+3x)/7=12

We move all terms to the left:

(4x+3x)/7-(12)=0

We add all the numbers together, and all the variables

(+7x)/7-12=0

We multiply all the terms by the denominator


(+7x)-12*7=0

We add all the numbers together, and all the variables

(+7x)-84=0

We get rid of parentheses

7x-84=0

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

7x=84

x=84/7

x=12

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