Ariannamarie01
Ariannamarie01 Ariannamarie01
  • 25-03-2016
  • Mathematics
contestada

What is the value of x in the equation 2(2x − 5 − 4) = 160 − 17?

40.25
62.25
80.25
143.0

Respuesta :

Аноним Аноним
  • 25-03-2016
2(2x-5-4)=160-17
2(2x-9)=143
4x-18=143
4x=143+18
4x=161
x=161/4=40.25

Answer: 40.25
Answer Link
garydesir1
garydesir1 garydesir1
  • 25-03-2016

Substitute both sides of the equation

2(2x-5-4)=160-17

Distribute

(2)(2x)+(2)(-5)+(2)(-4)=160+-17

4x+-10+-8=160+-17

Combine like terms

(4x)+(-10+-8)=(160+-17)

4x+-18=143

4x-18=143

Add 18 to both sides

4x-18+18=143+18

4x=161

Divide both sides by 4

4x/4=161/4

x= 40.25


I hope that's help ! Have a great day !

Answer Link

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