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

re-write these notices in the passive form: 1. you must not touch the computer. 2. you must write this in capital letters. 3. you are not to use this lift witho

name the biome that has nutrient rich soil and is most often used for agriculture

Greatest Common Factor of 55 and 77

a biome that has a large amount of rainfall,high temperatures, and a poor soil is a

three times a number is 42. What is the number?

I have to solve for b but I can't figure it out

3x+4y=2 4x-4y=12 elimination

1. Name two elements that go through alpha decay

5 biscuits cost 30p altogether how much do 7 biscuits cost

if the ones digit of a numbers greater than 1 is 0, what factor or factors must that number have?