Simplify: 2x + 6y + 2y - x

To answer this question you need to group the different terms to form the shortest equation possible. It is easiest to treat the x terms and the y term as seperate, so you have:

2x - x      and     6y+2y

Here, x simply means 1x, so the x terms are 2x - 1x which equals 1x, or x. Similarly with the y terms you add the numbers 6 and 2 to get 8, so you have 8y in total.

Finally, you regroup the two terms (1x and 8y) to have x + 8y. This is your simplified answer.

LD
Answered by Libby D. Maths tutor

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