livigraces03 livigraces03

20-09-2020
Mathematics

contestada

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

Find the sum 5x 4 7x y y 7x class=

Respuesta :

aurorablossom478 aurorablossom478

20-09-2020

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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