Respuesta :

PHDFlopper
[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