277,304 views
29 votes
29 votes
True or false: In the equation 12-x=5, x equals 8

User Sergey Olontsev
by
3.0k points

2 Answers

9 votes
9 votes

Answer:

False. x=7

Explanation:

12-x=5

rearrange

-x+12=5

subtract 12 from both sides

-x=-7

divide by -1 on both sides

x=7

hope this helps : )

User Atokpas
by
2.9k points
18 votes
18 votes

Answer:

false

Explanation:

12 - x ≠ 5

--

because

--

if x = 8 then 12 - 8 = 5; which is false

User Liran Ben Yehuda
by
3.2k points