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X/3+x/7<2 , how do i solve ?
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2 votes
X/3+x/7<2 , how do i solve ?

X/3+x/7<2 , how do i solve ?-example-1
User Yozi
by
8.3k points

1 Answer

3 votes

Answer:

B

Explanation:


(x)/(3)+(x)/(7)<2

Since the least common multiple of 3 and 7 is 21, multiply both sides by 21:


7x+3x<42 \\\\10x<42

Divide both sides by 10 to isolate x:


x<(42)/(10)\\\\\\x<(21)/(5)

Therefore, the correct answer is choice B. Hope this helps!

User Husein Behboudi Rad
by
8.4k points
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