A-3(x+2)=2x+x+9

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Solution for A-3(x+2)=2x+x+9 equation: 



-3(A+2)=2A+A+9

We move all terms to the left:

-3(A+2)-(2A+A+9)=0

We add all the numbers together, and all the variables

-3(A+2)-(3A+9)=0

We multiply parentheses

-3A-(3A+9)-6=0

We get rid of parentheses

-3A-3A-9-6=0

We add all the numbers together, and all the variables

-6A-15=0

We move all terms containing A to the left, all other terms to the right

-6A=15

A=15/-6

A=-2+1/2

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