2y+21=9y-49*

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Solution for 2y+21=9y-49* equation:



2y+21=9y-49*
We move all terms to the left:
2y+21-(9y-49*)=0
We add all the numbers together, and all the variables
2y-(+9y)+21=0
We get rid of parentheses
2y-9y+21=0
We add all the numbers together, and all the variables
-7y+21=0
We move all terms containing y to the left, all other terms to the right
-7y=-21
y=-21/-7
y=+3

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