4(2x+3)=3(21-3x)

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Solution for 4(2x+3)=3(21-3x) equation: 



4(2x+3)=3(21-3x)

We move all terms to the left:

4(2x+3)-(3(21-3x))=0

We add all the numbers together, and all the variables

4(2x+3)-(3(-3x+21))=0

We multiply parentheses

8x-(3(-3x+21))+12=0



We calculate terms in parentheses: -(3(-3x+21)), so:

3(-3x+21)

We multiply parentheses

-9x+63

Back to the equation:

-(-9x+63)



We get rid of parentheses

8x+9x-63+12=0

We add all the numbers together, and all the variables

17x-51=0

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

17x=51

x=51/17

x=3

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