3(5x-1)=42

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Solution for 3(5x-1)=42 equation: 



3(5x-1)=42

We move all terms to the left:

3(5x-1)-(42)=0

We multiply parentheses

15x-3-42=0

We add all the numbers together, and all the variables

15x-45=0

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

15x=45

x=45/15

x=3

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