2.45a+2.3(30-a)=70.5

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Solution for 2.45a+2.3(30-a)=70.5 equation:


2.45a+2.3(30-a)=70.5

We simplify the equation to the form, which is simple to understand 
2.45a+2.3(30-a)=70.5

Reorder the terms in parentheses
2.45a+(+69-2.3a)=70.5

Remove unnecessary parentheses
+2.45a+69-2.3a=+70.5

We move all terms containing a to the left and all other terms to the right. 
+2.45a-2.3a=+70.5-69

We simplify left and right side of the equation. 
 + 0.15a=+1.5

We divide both sides of the equation by 0.15 to get a. 
a=10

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