avilaruth
avilaruth avilaruth
  • 03-02-2021
  • Mathematics
contestada

yo can someone please help and fast PLEASE

yo can someone please help and fast PLEASE class=

Respuesta :

37699
37699 37699
  • 03-02-2021

Answer:

It's incorrect because the equation is solve incorrectly the anwer is r= -4

Step-by-step explanation:

Add 4r4r to both sides.

-3r+9+4r=5

−3r+9+4r=5

2 Simplify  -3r+9+4r−3r+9+4r  to  r+9r+9.

r+9=5

r+9=5

3 Subtract 99 from both sides.

r=5-9

r=5−9

4 Simplify  5-95−9  to  -4−4.

r=-4

r=−4

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