goobyass
goobyass
13-01-2016
Mathematics
contestada
solve 3x - 5 = 7x - 17
a. 2
b. 3
c. 5
d. 6
Respuesta :
thatsmartqueenbee35
thatsmartqueenbee35
13-01-2016
3x-5=7x-17
3x-5+5=7x-17+5
3x=7x-12
3x-7x=7x-12-7x
-4x=-12 then divide both sides by -4 and you will get x=3
Answer Link
Billymkhoi
Billymkhoi
13-01-2016
3x -5= 7x -17
⇒ 7x -17= 3x -5
⇒ 7x -3x= -5+ 17
⇒ 4x= 12
⇒ x= 12/4
⇒ x= 3
The correct answer is
b. 3
~
Answer Link
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