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

Answer Link

Otras preguntas

What is the value of 7 to the fifth power?

There is a pyramid which is 5.95cm and a base of 5.1 what is the surface area?

Based on the Supremacy Clause, which must US judges support?-state laws-state and federal laws-the Constitution-the Bill of Rights

This quotation represents a major principle of US foreign policy known as _______, first espoused in the famous farewell address by President George Washington

is 10.6 less than 10.06?

white blood cells use to help identify foreign substance in the body

If PQ = 21 cm and QR = 5, then what are the possible lengths for PR so that PQ,QR and PR can form a triangle? Explain your reasoning

Fibromyalgia is chronic, widespread pain in specific muscle sites. True or False?

what was the Catholic minority

The major cause of ozone depletion is?