7x+3=30+4x

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Solution for 7x+3=30+4x equation: 



7x+3=30+4x

We move all terms to the left:

7x+3-(30+4x)=0

We add all the numbers together, and all the variables

7x-(4x+30)+3=0

We get rid of parentheses

7x-4x-30+3=0

We add all the numbers together, and all the variables

3x-27=0

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

3x=27

x=27/3

x=9

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