bianca1324 bianca1324

02-11-2016
Mathematics

contestada

3(x+7)-12=4(2x-7)

How do you do this?!?!

Respuesta :

MohamedSharif MohamedSharif

13-11-2016

3x+21-12=8x-28
collect the like terms
3x-8x=-28(21-12=9)
-5x=-28-9
-5x=-37
x=7.4

Answer Link

Otras preguntas

there are 1680 students at high school , and 420 of them went on a field trip. what percentage of the students went on the field trip?

What is the central idea of the of this story? "The Cold Equation"

Which characteristic is not used to classify stars? size color distance from Earth age

what difference between plagiarism and fair use?

this is a challenging problem ? can someone help

trevor tutors french for $15 and hour and scoops ice cream for $10 an hour. he is going to work 15 hours this week. at least how many hours does he need to tuto

which of the instruction formats would you most likely use if you had to write step-by-step instructions?

when the government offers subsidies to state universities that admit students with b averages in high school, the supply of university admissions will increase

what is 39/40 simplified

Which of the following beliefs did utopian socialists and communists have in common? A. industrialization in american colonies encouraged europeans to control t