myia4629 myia4629
  • 24-10-2019
  • Mathematics
contestada

Solve the equation for x.

3(4x − 12) = 84

Respuesta :

olivia2305 olivia2305
  • 24-10-2019

Answer:

x=8

Step-by-step explanation:

3x4=12 and 3x12=36

now we are at

12x-36=84

now add 36 to both sides to cancel it out on the left.

we are now at:

12x=120

now divide both sides by 12

120÷12=10.

therefore, x=10

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