4x+3(3x+9)=5x-21

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Solution for 4x+3(3x+9)=5x-21 equation: 



4x+3(3x+9)=5x-21

We move all terms to the left:

4x+3(3x+9)-(5x-21)=0

We multiply parentheses

4x+9x-(5x-21)+27=0

We get rid of parentheses

4x+9x-5x+21+27=0

We add all the numbers together, and all the variables

8x+48=0

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

8x=-48

x=-48/8

x=-6

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