3(x+1)=4x+9

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Solution for 3(x+1)=4x+9 equation: 



3(x+1)=4x+9

We move all terms to the left:

3(x+1)-(4x+9)=0

We multiply parentheses

3x-(4x+9)+3=0

We get rid of parentheses

3x-4x-9+3=0

We add all the numbers together, and all the variables

-1x-6=0

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

-x=6

x=6/-1

x=-6

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