1a-2a=-7

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Solution for 1a-2a=-7 equation:


1a-2a=-7

We simplify the equation to the form, which is simple to understand 
1a-2a=-7

We move all terms containing a to the left and all other terms to the right. 
+1a-2a=-7

We simplify left and right side of the equation. 
-1a=-7

We divide both sides of the equation by -1 to get a. 
a=7

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