7(1+3a)=126

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Solution for 7(1+3a)=126 equation:


7(1+3a)=126

We simplify the equation to the form, which is simple to understand 
7(1+3a)=126

Reorder the terms in parentheses
+(+7+21a)=126

Remove unnecessary parentheses
+7+21a=+126

We move all terms containing a to the left and all other terms to the right. 
+21a=+126-7

We simplify left and right side of the equation. 
+21a=+119

We divide both sides of the equation by 21 to get a. 
a=5.66666666667

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