(2x-6)/4=21

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Solution for (2x-6)/4=21 equation: 



(2x-6)/4=21

We move all terms to the left:

(2x-6)/4-(21)=0

We multiply all the terms by the denominator


(2x-6)-21*4=0

We add all the numbers together, and all the variables

(2x-6)-84=0

We get rid of parentheses

2x-6-84=0

We add all the numbers together, and all the variables

2x-90=0

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

2x=90

x=90/2

x=45

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