a+(2a-9)-(a+18)=75

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Solution for a+(2a-9)-(a+18)=75 equation:


a+(2a-9)-(a+18)=75

We simplify the equation to the form, which is simple to understand 
a+(2a-9)-(a+18)=75

Remove unnecessary parentheses
+a+2a-9-(+a+18+)=+75

Remove unnecessary parentheses
a2a-9-1a-18=75

We move all terms containing a to the left and all other terms to the right. 
+1a+2a-1a=+75+9+18

We simplify left and right side of the equation. 
+2a=+102

We divide both sides of the equation by 2 to get a. 
a=51

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