7=-2a

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Solution for 7=-2a equation:


7=-2a

We simplify the equation to the form, which is simple to understand 
7=-2a

We move all terms containing a to the left and all other terms to the right. 
+2a=-7

We simplify left and right side of the equation. 
+2a=-7

We divide both sides of the equation by 02 to get a. 
a=-3.5

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