A(10)=3+(10-1)(+7)

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Solution for A(10)=3+(10-1)(+7) equation:


a(10)=3+(10-1)(+7)

We simplify the equation to the form, which is simple to understand 
a(10)=3+(10-1)*(+7)

Reorder the terms in parentheses
+(+10a)=3+(+9)*(+7)

Remove unnecessary parentheses
+10a=+3+(+9+)+*(+7+)

Reorder the terms in parentheses
multiplication of parentheses
+10a=3+(+63)



Remove unnecessary parentheses
+10a=+3+63

We move all terms containing a to the left and all other terms to the right. 
+10a=+3+63

We simplify left and right side of the equation. 
+10a=+66

We divide both sides of the equation by 10 to get a. 
a=6.6

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