How are mathematical proofs helpful?

A mathematical proof is a deductive argument for a mathematical statement, showing that the stated assumptions reasonably warrant the conclusion.

step-by-step explanation:

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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.