LuLu200
LuLu200
29-09-2017
Mathematics
contestada
what is the answer 7/10x-1/5=4
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altavistard
altavistard
29-09-2017
7/10x-1/5=4 should be written as (7/10)x - 1/5 + 4
or as 7x/10 - 1/5 = 4.
Multiply all 3 terms of the latter equation by 10 to eliminate fractions:
7x - 2 = 40
Then 7x =42, and x = 6.
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