MY FATHER'S AGE 5 YEARS AGO PLUS TWICE MY AGE NOW GIVES 65. MY AGE 5 YEARS AGO PLUS THREE TIMES MY FATHER'S AGE NOW GIVES 130. WHAT IS MY FATHER'S AGE?(IN LINEAR EQUATION)
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Answer:Father's age will be 40
Step-by-step explanation:
Let the father's age be n,
and your age be y,
then the equation formed is
( n-5 ) + 2y = 65
( y-5 ) + 3n = 130
Through eq(1) we get,
n-5 + 2y = 65
n-5 = 65-2y
n= 65-2y+5
Putting the value of n in eq (2) we get
( y-5 ) + 3 ( 65-2y+5) =130
-5y = 130 - 205
-5y = -75
y=15
After putting Value of y in eq (1)
( n-5) +2(15) = 65
n-5+30=65
n=65-30+5
n=40
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