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Lerok [7]
4 years ago
14

12=x+3 please help me out

Mathematics
2 answers:
Ilia_Sergeevich [38]4 years ago
8 0

Hello there! :)

Answer:

\boxed{x=9}

<u><em>*The answer must have a POSITIVE sign!*</em></u>

Step-by-step explanation:

First, you switch sides of an equation.

X+3=12

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

X+3-3=12-3

You subtract by the numbers from left to right.

12-3=9

Final answer is →→ \boxed{X=9}

Hope this helps!

Thank you!

Have a nice day! :)

:D

-Charlie

valentina_108 [34]4 years ago
7 0

Answer: x=9

12=x+3

-3     -3

9=x

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