Let m the tens digit and n the ones
the Original number is 10m+n
7(m+n) =10m+n
7m+7n=10m+n
6n=3m
Reversing the number 10n+m
10n+m=18+n+m
9n=18
n=2
6n=3m
6(2)=3m
3m=12
m=4
the number is 10m+n=10(4)+2=42
Where is the question? I would be more than happy to help you but you did not post a question
Answer:
thanks for the points i mean really. anways hope someone else can help
Gf(x)
=g[f(x)]
=g[x2-1]
=x2-1+2
Answer:
it's very simple..just see the image which I have sended you I have done it myself...hope you will understand
Step-by-step explanation:
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