3 years ago

Find the sum. 5x 4 + 7x - y y - 7x

1 answer:

frez [133]3 years ago

5 0

Answer:

B. 5x+4

Step-by-step explanation:

Solving this is quite easy.

Add 5x and 4 getting 5x+4
Look at your bottom variables..since 7x and -7x are opposites they will cancel out! And same thing goes for y and -y.

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Find the sum. 5x 4 ____ + ____ 7x - y y - 7x