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

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Solution for 15(x+3)=4(2x+9)+4x equation: 



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

We move all terms to the left:

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

We multiply parentheses

15x-(4(2x+9)+4x)+45=0



We calculate terms in parentheses: -(4(2x+9)+4x), so:

4(2x+9)+4x

We add all the numbers together, and all the variables

4x+4(2x+9)

We multiply parentheses

4x+8x+36

We add all the numbers together, and all the variables

12x+36

Back to the equation:

-(12x+36)



We get rid of parentheses

15x-12x-36+45=0

We add all the numbers together, and all the variables

3x+9=0

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

3x=-9

x=-9/3

x=-3

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