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01-04-2019
Mathematics

contestada

What is the value of the expression 3x-9=45?

Respuesta :

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01-04-2019

Answer:

18

Step-by-step explanation:

To work out the value of x we can do 3x-9=45

we can add 9 on both sides so 3x=54

then we can divide by 3

Thats 18

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