81+x=138

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Solution for 81+x=138 equation:


81+x=138

We simplify the equation to the form, which is simple to understand 
81+x=138

We move all terms containing x to the left and all other terms to the right. 
+1x=+138-81

We simplify left and right side of the equation. 
+1x=+57

We divide both sides of the equation by 1 to get x. 
x=57

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