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 aurorablossom478
  • 20-09-2020

Answer:

B. 5x+4

Step-by-step explanation:

Solving this is quite easy.

  1. Add 5x and 4 getting 5x+4
  2. 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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