X - 3y = 6 and x - 3y = 9
1 answer:
You might be interested in
In this exercise we have to use subtraction knowledge to calculate the final value of the equation, like this:
Letter C
<h2>What is subtraction?</h2>It is a mathematical operation in which it is possible to find a quantity by decreasing one number by another, it is opposed to addition, being represented by the minus sign.
So make the calculus we have:
See more about subtraction at brainly.com/question/4319655