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27-08-2019
Mathematics

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What is the value of x in the equation 7x + 2y=48, when y = 3?
0
x = 6
x=7

Respuesta :

marcthemathtutor marcthemathtutor

27-08-2019

Answer:

x = 6

Step-by-step explanation:

7x + 2y=48

7x = 48 - 2y

x = (48 - 2y) / 7

when y = 3,

x = [48 - 2(3)] / 7

x = [48 - 6] / 7

x = 42 / 7

x = 6

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