gaberz06 gaberz06
  • 09-10-2018
  • Mathematics
contestada

What is -4(7x+5)=-160

Respuesta :

faizanakhan2003 faizanakhan2003
  • 09-10-2018

Answer is -23

Add 4 from both sides

Subtract 5 from both sides

Then divide 7

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theawsomepro
theawsomepro theawsomepro
  • 09-10-2018

To get rid of the parantheses we must multiply -4 times anything inside the parantheses.

-4(7x+5)=-160

-28x-20=-160

Add 20 to both sides of the equation.

-28x-20=-160

-28x=-140

Divide both sides by -28

-28x/-28=-140/-28

x=5

Our final answer is 5

Hope this helps!

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