The expression that is not a rational expression is:

<h3>What is a rational expression?</h3>
A rational expression is an expression that has a variable in the denominator.
For expression
, x + 3 is a common term to the numerator and denominator, hence it is simplified to 2x - 1 and is not a rational expression.
More can be learned about rational expressions at brainly.com/question/2264785
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Answer:
126 dollars is how much he made
-3(4-3x=9x-12
-12+9x=9x-12
9x-9x=-12+12
X=0
Answer:
Step-by-step explanation:
(8-5)/(1-0) = 3/1 = 3
y - 5 = 3(x -0)
y -5 = 3x - 0
y = 3x + 5