SOLUTION: 3a/7 + 2/3 =7/9

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Question 929853: 3a/7 + 2/3 =7/9
Found 2 solutions by stanbon, Fombitz:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
3a/7 + 2/3 =7/9
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Whenever you have an equation you can get rid of the denominators.
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Multiply thru by 9*7 to get:
27a + 2*21 = 49
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27a + 42 = 49
27a = 7
a = 7/27
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Cheers,
Stan H.
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Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply both sides by 63 or %287%2A9%29,
27a%2B42=49
27a=7
a=7%2F27