Math, asked by anonymous45, 1 year ago

find the number whose double is 45 greater than its half

Answers

Answered by mastech
4
2x= = x/2 + 45 
==> 2x - x/2 = 45 
<==> (3x)/2 = 45 
==> 3x = 90 
==> x = 90/3 = 30, the unknown number. 
Answered by Anonymous
2
its 30..................
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