7(6-3a)=105

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Solution for 7(6-3a)=105 equation:


7(6-3a)=105

We simplify the equation to the form, which is simple to understand 
7(6-3a)=105

Reorder the terms in parentheses
+(+42-21a)=105

Remove unnecessary parentheses
+42-21a=+105

We move all terms containing a to the left and all other terms to the right. 
-21a=+105-42

We simplify left and right side of the equation. 
-21a=+63

We divide both sides of the equation by -21 to get a. 
a=-3

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