natashaartem natashaartem

04-08-2018
Mathematics

contestada

Three times the sum of a number and -2 is -15. find the number

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Аноним Аноним

04-08-2018

Hello!

Let's write this as an equation below.

3(x-2)=-15

First we undo the parentheses.

3x-6=-15

We add 6 to both sides.

3x= -9

We divide both sides by 3.

x= -3

Therefore, our number is -3.

I hope this helps!

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