christinaogurek christinaogurek

04-09-2018
Mathematics

contestada

can anyone help with the 2 with the stars next to them?

can anyone help with the 2 with the stars next to them class=

Respuesta :

horselover979 horselover979

04-09-2018

#1 explanation is x =30 right so 30+5=35 so 35 divided by 7 =5

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lolaslaris lolaslaris

04-09-2018

Is this a True / False exercise? If yes then:

a) (x+5)/ 7 = 5

<=> x+5 = 5*7

<=> x+5 = 35

<=> x = 35 - 5 = 30

So a) is True

b) 50 = 1/3x + 5

<=> 50 - 5 = 1/3x

<=> 45 = x/3

<=> 45*3 = x

<=> x = 135

So b) is False

Answer Link

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