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OpenStudy (anonymous):
When you solve the equation x +9 = 15, how do you know what number to subtract from both sides? Why is it important to subtract the same number from both sides of the equation?
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OpenStudy (kaylaprincess):
You need to subtract 9 because you wouldn't be able to fully solve the equation without it being on the other side of the equation.
OpenStudy (anonymous):
@kaylaprincess Thank you soo much. You have been a big help.
OpenStudy (kaylaprincess):
Anytime! I love pre/algebra !
OpenStudy (anonymous):
:) @kaylaprincess
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