(-3/10)+a=(2/5)

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Solution for (-3/10)+a=(2/5) equation:


(-3/10)+a=(2/5)

We simplify the equation to the form, which is simple to understand 
(-3/10)+a=(2/5)

Simplifying:
(-0.3)+a=(2/5)

Simplifying:
(-0.3)+a=( + 0.4)

Remove unnecessary parentheses
-0.3+a=( + 0.4)

Remove unnecessary parentheses
-0.3+a=0.4

We move all terms containing a to the left and all other terms to the right. 
+1a=0.4 + 0.3

We simplify left and right side of the equation. 
+1a=0.7

We divide both sides of the equation by 1 to get a. 
a=0.7

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