emily5053575 emily5053575
  • 30-03-2021
  • Mathematics
contestada

Justify each step and explain your reasoning.
3(4x+6)=x-4

Respuesta :

fitzroywilliamsjr6
fitzroywilliamsjr6 fitzroywilliamsjr6
  • 30-03-2021

Answer:

x = −2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3(4x+6)=x−4

(3)(4x)+(3)(6)=x+−4(Distribute)

12x+18=x+−4

12x+18=x−4

Step 2: Subtract x from both sides.

12x+18−x=x−4−x

11x+18=−4

Step 3: Subtract 18 from both sides.

11x+18−18=−4−18

11x=−22

Step 4: Divide both sides by 11.

[tex]\frac{11x}{11}[/tex] = [tex]\frac{-22}{11}[/tex]

x = −2

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