X=28+7y

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Solution for X=28+7y equation:



X=28+7X
We move all terms to the left:
X-(28+7X)=0
We add all the numbers together, and all the variables
X-(7X+28)=0
We get rid of parentheses
X-7X-28=0
We add all the numbers together, and all the variables
-6X-28=0
We move all terms containing X to the left, all other terms to the right
-6X=28
X=28/-6
X=-4+2/3

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