Asked by janet

the result of multiplying a number by 3 and subtracting 5 is the same as doubling the number and adding 9 what is the number
Answered by janet
explain also
Answered by Ms Pi_3.14159265358979
The question is asking you to take the written words and turn them into a mathematical equation...
so... the words say...
the result of multiplying a number by 3 and subtracting 5 is the same as doubling the number and adding 9 what is the number
Start with the first phrase... the result... that means there will be an equal sign
=
Let n be the number we are trying to find
multiplying by 3
and subtracting 5
3n - 5 is the same as...
doubling 2n and adding 9
so...
3n-5 = 2n + 9
Now you re-arrange and solve for n : )
Answered by janet
thank you
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