7x+3=75+x

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Solution for 7x+3=75+x equation: 



7x+3=75+x

We move all terms to the left:

7x+3-(75+x)=0

We add all the numbers together, and all the variables

7x-(x+75)+3=0

We get rid of parentheses

7x-x-75+3=0

We add all the numbers together, and all the variables

6x-72=0

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

6x=72

x=72/6

x=12

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