KacieBui KacieBui
  • 04-03-2018
  • Mathematics
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I need help on 4 questions!

I need help on 4 questions class=

Respuesta :

Heavenus
Heavenus Heavenus
  • 04-03-2018
It's 10.
To find x
4x+5=45
Subtract 5 from each side and you get
4x=40
Divide 4x by 40
X= 10

To check
4(10)+5= 45
A=45
B=45
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