How do you solve #-3/7x+4/7=2#?

1 Answer
Oct 7, 2016

#x=10/-3#

Explanation:

Remove the denominators by multiplying each term by 7.

#cancel(7)(-3/cancel7x)+(cancel7)(4/cancel7)=(7)2#

#-3x+4=14#

Add -4 to both sides

#-3x+4color(red)(-4)=14color(red)(-4)#

#-3x=10#

isolate x by dividing by -3

#cancel(-3)/cancel(-3)x=10/-3#

#x=10/-3#