demisn1fan demisn1fan

07-02-2015
Mathematics

Answered

I think of a number

I multiply it by 5 then subtract 8

The result is 3 times the number I am thinking of

What is the number

Verified Answer :

coolpitch coolpitch

07-02-2015

\(\bold{x=the~number} \\ \bold{5x-8=3x} \\ \bold{5x-3x=8} \\ \bold{2x=8} \\ \boxed{\bold{x=4}}\)

Answer Link

konrad509 konrad509

07-02-2015

\(x\cdot5-8=3x\\ 5x-3x=8\\ 2x=8\\ x=4\)

Answer Link

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