a number is 4 less than 3 times another if their sum is increased by 5 that's result is 25 find the number
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x=3y-4--------------1
x+y+5=25----------2
putting 1 in 2 we get
3y-4+5=25
3y=24
y=8
thus x=20
x+y+5=25----------2
putting 1 in 2 we get
3y-4+5=25
3y=24
y=8
thus x=20
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