7x+4+12=3x+30+6

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Solution for 7x+4+12=3x+30+6 equation: 



7x+4+12=3x+30+6

We move all terms to the left:

7x+4+12-(3x+30+6)=0

We add all the numbers together, and all the variables

7x-(3x+36)+4+12=0

We add all the numbers together, and all the variables

7x-(3x+36)+16=0

We get rid of parentheses

7x-3x-36+16=0

We add all the numbers together, and all the variables

4x-20=0

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

4x=20

x=20/4

x=5

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