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OpenStudy (anonymous):
solve by the elimination method 9a + 3b = -66 -9a +b =86, determine the solution of the system
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OpenStudy (anonymous):
here a=-9.5,and b=6.5
OpenStudy (anonymous):
@Blaze Please stop giving direct answers.Guide the user to the answer,do not give the answer. http://openstudy.com/code-of-conduct Please read this.
OpenStudy (anonymous):
thanks @Munch.
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