3y=7y-20

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Solution for 3y=7y-20 equation:



3y=7y-20
We move all terms to the left:
3y-(7y-20)=0
We get rid of parentheses
3y-7y+20=0
We add all the numbers together, and all the variables
-4y+20=0
We move all terms containing y to the left, all other terms to the right
-4y=-20
y=-20/-4
y=+5

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