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

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



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

We move all terms to the left:

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

We multiply parentheses

-9x-(9x+21)+36+3=0

We get rid of parentheses

-9x-9x-21+36+3=0

We add all the numbers together, and all the variables

-18x+18=0

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

-18x=-18

x=-18/-18

x=1

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