Question

Max is 10 years older than tom. in 7 years time, max will be twice as old as tom. find max's age now. (Would appreciate it if done by simultaneous equations)

Answer 1

Explanation:

M=t+10

M-10=t

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In 7 years

M+7=2t

2t=2m-20

m=2m-20

+20. +20

-m. -m

20=m

(7 years from now_

current age=20-7=13

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Check:

M=13

t=3

In 7 years m=20

t=10

20=2*10

20=20

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True