Answers

2015-03-16T08:38:30+05:30
Let fathers age be x and sons age be y at present.
Therefore after 2 years 
y+2=3(x+2)+8
y+2=3x+6+8
y+2=3x+15
y=3x+15-2
y=3x+13
y-3x=13
This is the linear equation to the above statement

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2015-03-16T09:12:33+05:30
Y+2=3(x+2)+8 y+2=3x+6+8 y+2=3x+14 y=3x+14-2 y=3x+12 y-3x=12
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