7x-9=4x-57

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Solution for 7x-9=4x-57 equation: 



7x-9=4x-57

We move all terms to the left:

7x-9-(4x-57)=0

We get rid of parentheses

7x-4x+57-9=0

We add all the numbers together, and all the variables

3x+48=0

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

3x=-48

x=-48/3

x=-16

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