It depends. You have to do the opposite operation to both sides.
For example...
3x + 4y = 12
3x + 4y - 3x = 12 - 3x
4y = -3x + 12
4y/4 = -3x/4 + 12/4
y = (-3/4)x + 3
Breanna B.
asked • 01/16/18How do you get the variable y by it self
Just for math it homework and it a problem
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Arturo O.
01/16/18