X-1=2y/7

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Solution for X-1=2y/7 equation:



X-1=2X/7
We move all terms to the left:
X-1-(2X/7)=0
We add all the numbers together, and all the variables
X-(+2X/7)-1=0
We get rid of parentheses
X-2X/7-1=0
We multiply all the terms by the denominator
X*7-2X-1*7=0
We add all the numbers together, and all the variables
-2X+X*7-7=0
Wy multiply elements
-2X+7X-7=0
We add all the numbers together, and all the variables
5X-7=0
We move all terms containing X to the left, all other terms to the right
5X=7
X=7/5
X=1+2/5

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