.4a+.25(100)=-2

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Solution for .4a+.25(100)=-2 equation:


.4a+.25(100)=-2

We simplify the equation to the form, which is simple to understand 
.4a+.25(100)=-2

Reorder the terms in parentheses
.4a+(+25)=-2

Remove unnecessary parentheses
+.4a+25=-2

We move all terms containing a to the left and all other terms to the right. 
 + 0.4a=-2-25

We simplify left and right side of the equation. 
 + 0.4a=-27

We divide both sides of the equation by 0.4 to get a. 
a=-67.5

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