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Solve 3x - 5 = 7x - 17 a. 2 b. 3 c. 5 d. 6

Solve 3x - 5 = 7x - 17 a. 2 b. 3 c. 5 d. 6
asked 49.6k views
5 votes
Solve 3x - 5 = 7x - 17

a. 2

b. 3

c. 5

d. 6

asked
User JeremyP
by
6.9k points

2 Answers

4 votes
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~
answered
User Forkmohit
by
8.7k points
5 votes


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
answered
User Karl Baker
by
8.9k points
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