5a=8a-21

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Solution for 5a=8a-21 equation:


5a=8a-21

We simplify the equation to the form, which is simple to understand 
5a=8a-21

We move all terms containing a to the left and all other terms to the right. 
+5a-8a=-21

We simplify left and right side of the equation. 
-3a=-21

We divide both sides of the equation by -3 to get a. 
a=7

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