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4 votes
What is the difference of 3 times a number and 18 is 39. what is the number

User Saokat Ali
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1 Answer

4 votes
first, write out the equation

3x-18=39

it's much easier to solve it this way

then, get x alone

(3x-18)+18=39+18

3x=57

3x/3=57/3

so, x=19
User Doletha
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