-21a+28a-6=-102

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Solution for -21a+28a-6=-102 equation:


-21a+28a-6=-102

We simplify the equation to the form, which is simple to understand 
-21a+28a-6=-102

We move all terms containing a to the left and all other terms to the right. 
-21a+28a=-102+6

We simplify left and right side of the equation. 
+7a=-96

We divide both sides of the equation by 7 to get a. 
a=-13.714285714286

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