X-7=13+5n

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Solution for X-7=13+5n equation:



X-7=13+5X
We move all terms to the left:
X-7-(13+5X)=0
We add all the numbers together, and all the variables
X-(5X+13)-7=0
We get rid of parentheses
X-5X-13-7=0
We add all the numbers together, and all the variables
-4X-20=0
We move all terms containing X to the left, all other terms to the right
-4X=20
X=20/-4
X=-5

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