What is a number that you can add 3+2+7 that will equal 27

15

Step-by-step explanation:

What is a number that you can add  TO  3+2+7 that will equal 27?  First, add up 3+2+7, obtaining 12.  Adding 15 will result in a sum of 27.

step-by-step explanation:

answers available in this download

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logv3(x+2)=1

rewrite in exponential form:

logb(x) = y is equal to b^y =x

b = 3, y = 1

now solve for x:

3^1 = x+2)

x = 3-2

x = 1

see the picture for the graph.