9x+3=5x-21

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



9x+3=5x-21

We move all terms to the left:

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

We get rid of parentheses

9x-5x+21+3=0

We add all the numbers together, and all the variables

4x+24=0

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

4x=-24

x=-24/4

x=-6

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