3x+9=4(2x+3)

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Solution for 3x+9=4(2x+3) equation: 



3x+9=4(2x+3)

We move all terms to the left:

3x+9-(4(2x+3))=0



We calculate terms in parentheses: -(4(2x+3)), so:

4(2x+3)

We multiply parentheses

8x+12

Back to the equation:

-(8x+12)



We get rid of parentheses

3x-8x-12+9=0

We add all the numbers together, and all the variables

-5x-3=0

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

-5x=3

x=3/-5

x=-3/5

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