7=9x+3

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Solution for 7=9x+3 equation: 



7=9x+3

We move all terms to the left:

7-(9x+3)=0

We get rid of parentheses

-9x-3+7=0

We add all the numbers together, and all the variables

-9x+4=0

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

-9x=-4

x=-4/-9

x=4/9

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