juditcruz100p9al80 juditcruz100p9al80
  • 10-10-2018
  • Mathematics
contestada

What is the solution of 4x+9=2x-6?

Respuesta :

bowdenywl
bowdenywl bowdenywl
  • 10-10-2018

4x+9=2x−6

Step 1: Subtract 2x from both sides.

4x+9−2x=2x−6−2x

2x+9=−6

Step 2: Subtract 9 from both sides.

2x+9−9=−6−9

2x=−15

Step 3: Divide both sides by 2.

2x

2

=

−15

2

x=

−15

2

Answer:

x=-15/2




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