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How do math problem? Help!?
How do this problem..
2x-21/30 = 7/42
Someone please explain how to do the problem not just give an answer..thanks!
1 Answer
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- 9 years agoFavorite Answer
2x - 21/30 = 7/42
Find the common denominator
2x = 70/420 + 294/420
2x = 364/420
x = 364/420 divided by 2
x = 364/420 x 1/2
x = 364/840
x = 13/30 = 0.4333.
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