X=7+9y/4

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Solution for X=7+9y/4 equation:



X=7+9X/4
We move all terms to the left:
X-(7+9X/4)=0
We add all the numbers together, and all the variables
X-(9X/4+7)=0
We get rid of parentheses
X-9X/4-7=0
We multiply all the terms by the denominator
X*4-9X-7*4=0
We add all the numbers together, and all the variables
-9X+X*4-28=0
Wy multiply elements
-9X+4X-28=0
We add all the numbers together, and all the variables
-5X-28=0
We move all terms containing X to the left, all other terms to the right
-5X=28
X=28/-5
X=-5+3/5

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