7a+8-7+8=21a-7

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Solution for 7a+8-7+8=21a-7 equation:


7a+8-7+8=21a-7

We simplify the equation to the form, which is simple to understand 
7a+8-7+8=21a-7

We move all terms containing a to the left and all other terms to the right. 
+7a-21a=-7-8+7-8

We simplify left and right side of the equation. 
-14a=-16

We divide both sides of the equation by -14 to get a. 
a=1.14285714286

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