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Envii
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2+y=-7+2y
Subtract y from each side
2=-7+y
Add 7 to each side
9=y
gianarpt
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dont you have to divide
Envii
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You only have to divide if the y has a value. For example:
2y=10
Divide each side by 2
y=5
But in your case, the y had no value so there was no need to divide.
gianarpt
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ohhhhhhhhh
gianarpt
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thank u very much
Envii
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No problem. :)