(4x+3x)=91

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Solution for (4x+3x)=91 equation: 



(4x+3x)=91

We move all terms to the left:

(4x+3x)-(91)=0

We add all the numbers together, and all the variables

(+7x)-91=0

We get rid of parentheses

7x-91=0

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

7x=91

x=91/7

x=13

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