One number is one more than three times another. If their sum is increased by three, the result is twelve. Find the numbers.
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Let the other no. be x .
Then , the one no. be y.
ATQ,
y=1+3x.
Then one no. is 1+3x.
sum of numbers = 1+3x+x.
= 1+4x.
ATQ , sum of numbers are increased by 3.
Then,
1+4x+3 =4+4x
result is 12.
ATQ,
4+4x = 12
4x=12-4
x=8÷4
x = 2.
Other no. is 2.
One no. is (1+3x ) =1+3×2=1+6=7.
that set.......
Then , the one no. be y.
ATQ,
y=1+3x.
Then one no. is 1+3x.
sum of numbers = 1+3x+x.
= 1+4x.
ATQ , sum of numbers are increased by 3.
Then,
1+4x+3 =4+4x
result is 12.
ATQ,
4+4x = 12
4x=12-4
x=8÷4
x = 2.
Other no. is 2.
One no. is (1+3x ) =1+3×2=1+6=7.
that set.......
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