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OpenStudy (anonymous):
solve by elimination a+b=1/3 a-b=1/4
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OpenStudy (loser66):
add them together to find a then plug back either of them to get b
OpenStudy (anonymous):
whatttttt?
OpenStudy (loser66):
I don't think my sentence is too ambiguous to understand. hiihihi, just do it.
OpenStudy (mathmale):
Winner66 is right. You have two equations in two unknowns. Just add them together, term by term. What happens to b? Take care in combining those fractions, 1/3 and 1/4 (find the LCD and use it).
OpenStudy (mathmale):
You'll end up with a new equation in a only (b has disappeared thanks to subtraction). Solve the resulting equation for a. Then what?
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