jessebrothers jessebrothers

02-05-2017
Mathematics

contestada

solve for x.

8x/7+9=30

a.) x= 18 3/8
b.) x= 24
c.) x= 34 1/8
d.) x= 44 4/7

Respuesta :

PHDFlopper PHDFlopper

02-05-2017

[tex] \frac{8x}{7} [/tex]+9=30
[tex] \frac{8x}{7} [/tex]=21 {subtract 9 from both sides}
8x=147 {multiply both sides by 7 to cancel out the division (fraction)}
x=18.375 {divide both sides by 8}
The answer is A) 18 3/8

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