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-3+a/10=-2
We simplify the equation to the form, which is simple to understand
-3+a/10=-2
Simplifying:
-3 + 0.1a=-2
We move all terms containing a to the left and all other terms to the right.
+ 0.1a=-2+3
We simplify left and right side of the equation.
+ 0.1a=+1
We divide both sides of the equation by 0.1 to get a.
a=10
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