if 45 is is added 1/2 a number the result is triplet of the no. . find the no.
siddhartharao77:
the number will be 18
Answers
Answered by
1
45+1/2x=3x
45=1/2-3x
45=5/2x
45×2/5=x
18=x
A number is 18
HOPE THIS WILL BE HELPFUL
45=1/2-3x
45=5/2x
45×2/5=x
18=x
A number is 18
HOPE THIS WILL BE HELPFUL
Answered by
0
hiii,
let the no be x
ATP,
x/2 + 45 = 3x
=>x/2 - 3x = -45
=> x - 6x = -45
=> -5x = -45
=> x =9
hope helps
let the no be x
ATP,
x/2 + 45 = 3x
=>x/2 - 3x = -45
=> x - 6x = -45
=> -5x = -45
=> x =9
hope helps
The 3rd step should be x - 6x/2 = 45
recheck
1/2x-3x=x(1/2-3)=x(1-6/2)=-5/2x
x/2 - 3x = -45
x - 6x = -90
-5x = -90
x = 90/5
x = 18
x - 6x = -90
-5x = -90
x = 90/5
x = 18
alright
:-))
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