abrionnasimmons abrionnasimmons

21-09-2020
Mathematics

contestada

What is -1/4(x+8)+30=7

Respuesta :

mercedes1229 mercedes1229

21-09-2020

Answer:

x=84

Step-by-step explanation:

[tex]-\frac{1}{4}[/tex] x(x+8)+30=7

remove the parentheses

[tex]-\frac{1}{4}[/tex] x-2+30=7

calculate

[tex]-\frac{1}{4}[/tex] x+28=7

multiply both sides

-x+112=28

move the constant to the right

-x=28-112

calculate

-x=-84

change the signs

x=84

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