3xy
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Well, isn't that just a lovely little math question! When we say 3 times y, we're simply asking how many y's we have in total when we have 3 groups of y. So, 3 times y is just 3y! It's like painting a beautiful picture with numbers, happy little calculations coming together to create something wonderful.
In mathematics, the expression "3x times y" can be interpreted as 3 times the product of x and y, which can be written as 3xy. This means that you are multiplying the number 3 by the variables x and y. The result is a single term in algebraic notation, representing the product of 3, x, and y.
Oh, dude, you're hitting me with some math now? Alright, so 3 times y is just 3y. It's like when you have 3 groups of y things, you just add them up and get 3y. Math can be chill sometimes, right?
Then y = 3x.
3x - y = 12 is the same as 3x - 12 = y, or y = 3x - 12.
y = 3x 3x + 4y = 30 3x + 4(3x) = 30 3x + 12x = 30 15x = 30 x = 2 y = 3x y = 3(2) y = 6 (2, 6)
-2
3x-y to the third becomes (x+x)+x-y*y*y the question is (3x-y)3