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Galina-37 [17]
3 years ago
6

Algebra help please 100% correct only

Mathematics
2 answers:
FromTheMoon [43]3 years ago
8 0
We have the expression 2x + 3y + 2(x - y) - 3x.
And we need to simplify it.

We can start with distributive property. This states that a(b + c) = ab + ac

2x + 3y + 2(x - y) - 3x becomes 2x + 3y + 2x - 2y - 3x

Then combine like terms. This means if we have two terms that have the same variable and exponent, we can combine them. Which is adding or subtracting.

2x + 3y + 2x - 2y - 3x becomes x + y

So, the answer to this question x + y.
shutvik [7]3 years ago
5 0
2x + 3y + 2(x - y) - 3x


First you apply the distributive property:

2x +3y + 2(x) - 2(y) - 3x
2x + 3y +2x - 2y - 3x

The you combine like terms:

2x + 2x - 3x +3y - 2y
4x - 3x + y
x (x could also be 1x) + y (y could also be 1y)

The answer is x + y or 1x + 1y
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It is a little unclear when you state the problem what exactly is going on with that fraction. This is a common issue when you try to type up equations. On the right side, you have a fraction bar and then a bunch of stuff after it. We need to clear up what is supposed to be in the numerator and what is supposed to stay in the denominator. This is important not just for typing up questions on the internet to get help but in using your calculator as well. If what the equation means is that both "f" and "q+z" are in the denominator, but then on your calculator you type something 1 / 2 * f * ( q + z ), most calculators (e.g. TI 83/84 and almost any basic or scientific model) will interpret that as meaning only the 2 is on the bottom and the rest is on top.

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