7+2=12+2-7y

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Solution for 7+2=12+2-7y equation:



7+2=12+2-7y
We move all terms to the left:
7+2-(12+2-7y)=0
We add all the numbers together, and all the variables
-(-7y+14)+7+2=0
We add all the numbers together, and all the variables
-(-7y+14)+9=0
We get rid of parentheses
7y-14+9=0
We add all the numbers together, and all the variables
7y-5=0
We move all terms containing y to the left, all other terms to the right
7y=5
y=5/7
y=5/7

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