0
Anonymous
2x + 21 = 9 x - 7
Add 7 to each side
2x + 21 = 9x
Subtract 2x from each side
21 = 7x
Divide each side by 7
3 = x
Sorted.
Wiki User
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it equals 13X.
It is 9x
2x + 24 = 9x - 39= 2x + 63 = 9x= 63 = 7x= x = 9
2x + 5x - 1 = 9x 7x - 1 = 9x -1 = 9x - 7x -1 = 2x -1/2=x
X= -2