Susana25
Answered

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PLEASE HELP DUE TOMORROW!!!! 20 POINTS!!!!

4w+7x-11y+3w+7x+6y

3w+8y+8x+6x-13y+5w

7x-3y+12w-2y-5w+7x

4w+4x-y+3w-18x-4y

How many of them are equal?

Sagot :

kittymaniac
The first step to seeing if they are equal is simplifying each expression:
1) 4w + 7x - 11y + 3w + 7x + 6y
= 4w + 3w + 7x + 7x - 11y + 6y
= 7w + 14x - 5y

2) 3w + 8y + 8x + 6x -13y + 5w
= 3w + 5w + 8y - 13y + 8x + 6x
= 8w - 5y + 14x

3) 7x - 3y + 12w - 2y - 5w + 7x
= 7x + 7x - 3y - 2y + 12w - 5w
= 14x - 5y + 7w

4) 4w + 4x - y + 3w - 18x - 4y
= 4w + 3w + 4x - 18x - y - 4y
= 7w - 12x - 4y

The first and third are equal to each other.
Hope this helps! :)

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