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Brain chooses an integer, multiplies it by 4 then subtracts 30. He then multiplies his answer by 2 and finally subtracts 10. His answer is two digest number.

What is the largest integer he cold have chosen?

(lots of working's out plz)

thx =]

User Encc
by
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1 Answer

10 votes

Answer:

4x-30=2-10

4x= 2-10+30

4x= 2-40

4x=-38

x-38/4

User Saurabh Agrawal
by
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