4 years ago, age of mother was 3 times the age of the daughter. write alinear rquation to respect of this sitation
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Let the age of mother be X years, today
Let the age of daughter be Y years, today
(X - 4) = 3 (Y - 4)
X - 4 = 3 Y - 12
3 Y - X = 8 or X - 3 Y + 8 = 0
this is the linear equation.
Let the age of daughter be Y years, today
(X - 4) = 3 (Y - 4)
X - 4 = 3 Y - 12
3 Y - X = 8 or X - 3 Y + 8 = 0
this is the linear equation.
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