rylanmatsuura rylanmatsuura

17-08-2017
Mathematics

contestada

the sum of twice a number x and one-half the number is 30

Respuesta :

musiclover10045 musiclover10045

17-08-2017

2x +1/2x = 30

2 1/2x = 30

x = 30 / 2 1/2 = 12

check:

2(12) + 1/2(12) = 24+6 = 30 = True

the number is 12

Answer Link

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