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OpenStudy (anonymous):
How would you solve this system?: y=2x 5x-y=30
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hero (hero):
By substitution
hero (hero):
5x - 2x = 30 3x = 30 x = 30/3 x = 10 y = 20
OpenStudy (anonymous):
Oh so like: 5x-(2x)=30?
hero (hero):
yup
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