(4x+7x)=6+15

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Solution for (4x+7x)=6+15 equation: 



(4x+7x)=6+15

We move all terms to the left:

(4x+7x)-(6+15)=0

We add all the numbers together, and all the variables

(+11x)-21=0

We get rid of parentheses

11x-21=0

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

11x=21

x=21/11

x=1+10/11

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