13x-21=7X+19

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Solution for 13x-21=7X+19 equation: 



13x-21=7x+19

We move all terms to the left:

13x-21-(7x+19)=0

We get rid of parentheses

13x-7x-19-21=0

We add all the numbers together, and all the variables

6x-40=0

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

6x=40

x=40/6

x=6+2/3

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