Answer:
2x+12=24
first you subtract 12 from both sides
2x+12=24
-12. -12
The 12-12 should cancel itself, the rest of the equation you bring down to get
2x=12 (because 24-12=12)
Now you have 2x=12.
you then divide 2x by both sides.
2x=12
/2x=/2x
The 2x/2x cancels itself out so you then solve for 12/2x.
For this you just divide 12/2 which is 6!
x= 6 is your final answer.
to check this equation you can plug your number back into x to see if it is true! 2(6)+12=24.
6 times 2 is 12 and 12+12 is 24 so your answer (6) is true!
hope this helps! :D
(5,-2)
(-3,2)
5 and -3 are y you choose which one to be one and which one to be two. the y and the x have to be over each other. but you choose which one to be y1 and y2
y1-y2
_____
x1-x2
the answer would be -2
Let x be your initial score.
You double it, so your score becomes 2x.
You lose 75 points, so your score becomes 2x-75
This equals -25, so we have the following equation:
In fact, things went like this:
You start with 25 points
You double your score, and you have 50 points
You lose 75 points and end with -25 points.
F would be wrong because if the oldest was 22, it would an outlier, not 26 and 25.