Math, asked by sonima, 1 year ago

find a number whose double is 45 greater than its half

Answers

Answered by MADÇŘÊÅȚÜŔĒ
4
let the no. be x
2x = x/2+45
2x-x/2=45
3x/2=45
x=45×2/3
x=30

gowthampavan: x=30
MADÇŘÊÅȚÜŔĒ: ya it's 30
MADÇŘÊÅȚÜŔĒ: ya it's 30
Answered by jaycomanthramNithin
3
2x=x/2+45
so we bring x/2 to rhs
2x-x/2=45
LCM
4x/2-x/2=45
3x/2=45
3x=45(2)
3x=90
x=90/3
x=30 

hope it helped 
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