Mary and her brother John collect foreign coins. Mary has twice the number of coins that John has. Together they have 105 foreig
2 answers:
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<h3>Answer: x = 6</h3>
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Work Shown:
Those are the possible solutions, but plugging x = -14 back into the original equation will lead to an error. So we rule x = -14 out
x = 6 works as a solution however
