72=5x+2x+9

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Solution for 72=5x+2x+9 equation: 



72=5x+2x+9

We move all terms to the left:

72-(5x+2x+9)=0

We add all the numbers together, and all the variables

-(7x+9)+72=0

We get rid of parentheses

-7x-9+72=0

We add all the numbers together, and all the variables

-7x+63=0

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

-7x=-63

x=-63/-7

x=+9

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