king128 king128

26-05-2017
Mathematics

contestada

The difference of a twice a number and 10 is less than 28

Respuesta :

stevianamccoy stevianamccoy

26-05-2017

2n-10<28
+10 +10 adding 10 to both sides to get the variable alone
2n<38
_____ divide both sides by 2 to get n by itself on one side
2

n<19

Check:

(2(18))-10<28
36-10<28
26<28 .......................IT WORKS!!!

Answer Link

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