SOLUTION: seven year from now , i will be twice as old as i was one year ago. how old am i now.

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Question 189829: seven year from now , i will be twice as old as i was one year ago. how old am i now.
Found 2 solutions by edjones, solver91311:
Answer by edjones(7311) About Me  (Show Source):
You can put this solution on YOUR website!
Let n=age now
n+7=2(n-1)
n+7=2n-2
-n=-9
n=9
.
Ed

Answer by solver91311(12126) About Me  (Show Source):
You can put this solution on YOUR website!


Let x be your age now. Then x + 7 is your age 7 years from now and x - 1 is your age one year ago. Twice as old as you were one year ago is 2(x - 1). So:




Solve for x to get your answer.

John