3(5x-3)=21

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Solution for 3(5x-3)=21 equation:


3(5x-3)=21

We simplify the equation to the form, which is simple to understand 
3(5x-3)=21

Reorder the terms in parentheses
+(+15x-9)=21

Remove unnecessary parentheses
+15x-9=+21

We move all terms containing x to the left and all other terms to the right. 
+15x=+21+9

We simplify left and right side of the equation. 
+15x=+30

We divide both sides of the equation by 15 to get x. 
x=2

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