jennifersewell83 jennifersewell83
  • 15-02-2019
  • Mathematics
contestada

12=x+3 please help me out

Respuesta :

lightneraly
lightneraly lightneraly
  • 15-02-2019

Answer: x=9

12=x+3

-3     -3

9=x

Answer Link
CharlieBrown2002
CharlieBrown2002 CharlieBrown2002
  • 15-02-2019

Hello there! :)

Answer:

[tex]\boxed{x=9}[/tex]

*The answer must have a POSITIVE sign!*

Step-by-step explanation:

First, you switch sides of an equation.

[tex]X+3=12[/tex]

Then, you subtract by 3 from both sides of an equation.

[tex]X+3-3=12-3[/tex]

You subtract by the numbers from left to right.

[tex]12-3=9[/tex]

Final answer is →→ [tex]\boxed{X=9}[/tex]

Hope this helps!

Thank you!

Have a nice day! :)

:D

-Charlie

Answer Link

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