2x + 5 =7
Subtracting 5 from both sides
= 2x +5-5 = 7-5
=2x = 2
= x = 2/2
=x = 1
ok first off ur not my little friend lol and ur answer should be 996.31 sorry if its wrong i tried <3
45m+10n-30m
15m+10n
I believe this is right.
Median is the number in the middle when all the numbers are put in order.
Let's do that first.
30 52 61 65 68 68 69 75 78 85
Now if there's 10 numbers, 2 numbers are in the middle.
By counting in 4 on both sides, we know the two numbers are both 68, so 68 is the median.
ANSWER
EXPLANATION
Let the first number be
Then the second number will be
and the third number is
The sum of these numbers is 26.
This implies that;
Group similar terms;
Simplify;
Divide both sides by 5
This gives us;
The numbers are:
