21 = 4x - 9 - x
what is x?
2 answers:
Answer:
x = 10
Step-by-step explanation:
Given
21 = 4x - 9 - x, that is
21 = 3x - 9 ( add 9 to both sides )
30 = 3x ( divide both sides by 3 )
10 = x
Answer:
x = 10
Step-by-step explanation:
21 = 4x - 9 - x
21 = 3x - 9
30 = 3x
10 = x
You might be interested in
To rent 7 movies, he needs 2(7) + 12 = $26.
But he has only $10. So he needs more 26 - 10 = $16.
The answer would be 3,025
Answer:
64
Step-by-step explanation: Delta math
The answer would be 3.7 x 10 to the -6th power.
Answer:
322
Step-by-step explanation:
Triangle area = base*height)2Here, area = 23*28/2=322