jadengreene653 jadengreene653
  • 09-01-2020
  • Mathematics
contestada

4x-2+4(2x+?)=12x +14

Respuesta :

papermachelle
papermachelle papermachelle
  • 09-01-2020

Answer:

Step-by-step explanation:

make ? = y

4x-2+4(2x+y)=12x +14

distribute

4x-2+8x+4y=12x+14

group like terms

12x-2+4y=12x+14

the 12x cancels out on both sides

-2+4y=14

4y= 12

y=3

? = 3

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