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3 years ago

12=x+3 please help me out

Mathematics

2 answers:

Ilia_Sergeevich [38]3 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! :)

-Charlie

valentina_108 [34]3 years ago

7 0

Answer: x=9

12=x+3

-3 -3

9=x

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Anyone know what the answer is ?

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A perpendicular bisector
this means the length IJ=JK and the angles IJB, BJK are 90° (and their congruent angles too)

but this does not mean AB=IK, because their lengths can be arbitrary
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so BI=BK is the solution

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