After 8 years, A will be twice as old as he was 6 years ago. It's linear equation will be _______ and A's present age is______
Answers 1
Let his present age be X:
six year ago = x-6
eight years later = x+8
first equation= x+8 = 2(x-6)
= x+8 = 2x-12
= 2x - x = 12+8
= x = 20
thus his present age is 20
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