Answer :

jojo880

Answer:

A) y=23-5x

b) y= -14+2x

Step-by-step explanation:

a) 5x+y=23

  -5x      -5x

___________

y=23-5x

b)

2x-y=14

-2x    -2x

_________

-y=14-2x

__     ___

-1         -1

y=-14+2x

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