17-06-2019
Mathematics

contestada

What is the value of x in the equation 3x -1/9
y = 18, when y = 27?
5
7
45 63

Respuesta :

calculista calculista

27-06-2019

Answer:

[tex]x=7[/tex]

Step-by-step explanation:

we have

[tex]3x-\frac{1}{9}y=18[/tex]

Substitute the value of y=27 in the equation and find the value of x

so

[tex]3x-\frac{1}{9}(27)=18[/tex]

[tex]3x-3=18[/tex]

[tex]3x=18+3[/tex]

[tex]3x=21[/tex]

[tex]x=7[/tex]

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