aiseng5
Answered

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when i double my number and add 8 i get my number + 12 WHAT IS MY NUMBER

Sagot :

[tex]x-my\ number\\\\2x+8=x+12\ \ \ \ \ \ |subtract\ 8\ from\ both\ sides\\\\2x=x+4\ \ \ \ \ \ |subtract\ x\ from\ both\ sides\\\\\boxed{x=4}\\\\Answer:My\ number\ is\ 4.[/tex]
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carlosego

The first thing we must do for this case is to define variables.

We have then:

x: unknown number

We now write the equation that models the problem:

[tex] 2x + 8 = x + 12
[/tex]

From here, we clear the value of x.

[tex] 2x - x = 12 - 8

x = 4
[/tex]

The unknown number is equal to 4.

Answer:

The number is:

[tex] x = 4 [/tex]

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