7x-9=x+30

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Solution for 7x-9=x+30 equation:



7x-9=x+30
We move all terms to the left:
7x-9-(x+30)=0
We get rid of parentheses
7x-x-30-9=0
We add all the numbers together, and all the variables
6x-39=0
We move all terms containing x to the left, all other terms to the right
6x=39
x=39/6
x=6+1/2

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