7-4x-21=23

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Solution for 7-4x-21=23 equation: 



7-4x-21=23

We move all terms to the left:

7-4x-21-(23)=0

We add all the numbers together, and all the variables

-4x-37=0

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

-4x=37

x=37/-4

x=-9+1/4

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