7(11x-21)=623

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Solution for 7(11x-21)=623 equation: 



7(11x-21)=623

We move all terms to the left:

7(11x-21)-(623)=0

We multiply parentheses

77x-147-623=0

We add all the numbers together, and all the variables

77x-770=0

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

77x=770

x=770/77

x=10

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