5+7a-(2a+4)-(2a+9)=

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Solution for 5+7a-(2a+4)-(2a+9)= equation:


5+7a-(2a+4)-(2a+9)=0

We simplify the equation to the form, which is simple to understand 
5+7a-(2a+4)-(2a+9)=0

Remove unnecessary parentheses
5+7a-2a-4-(2a+9)=0

Remove unnecessary parentheses
5+7a-2a-4-2a-9=0

We move all terms containing a to the left and all other terms to the right. 
+7a-2a-2a=0-5+4+9

We simplify left and right side of the equation. 
+3a=+8

We divide both sides of the equation by 3 to get a. 
a=2.66666666667

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