if (x-9):(3x+6) is the duplicate ratio of 4:9,find the value of x
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Heya...
Here is your answer ----
=> (x - 9) : (3x + 6) = 4 : 9
=> (x - 9) / (3x + 6) = 4 / 9
=> 9 (x - 9) = 4 (3x + 6) [Cross multiply]
=> 9x - 81 = 12x + 24
=> 9x - 12x = 24 + 81
=> -3x = 105
=> x = 105/-3
=> x = -35
HOPE IT HELPS....!!!!
Here is your answer ----
=> (x - 9) : (3x + 6) = 4 : 9
=> (x - 9) / (3x + 6) = 4 / 9
=> 9 (x - 9) = 4 (3x + 6) [Cross multiply]
=> 9x - 81 = 12x + 24
=> 9x - 12x = 24 + 81
=> -3x = 105
=> x = 105/-3
=> x = -35
HOPE IT HELPS....!!!!
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