7(5x+3)=399

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Solution for 7(5x+3)=399 equation: 



7(5x+3)=399

We move all terms to the left:

7(5x+3)-(399)=0

We multiply parentheses

35x+21-399=0

We add all the numbers together, and all the variables

35x-378=0

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

35x=378

x=378/35

x=10+4/5

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