13x+42=81

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Solution for 13x+42=81 equation:


13x+42=81

We simplify the equation to the form, which is simple to understand 
13x+42=81

We move all terms containing x to the left and all other terms to the right. 
+13x=+81-42

We simplify left and right side of the equation. 
+13x=+39

We divide both sides of the equation by 13 to get x. 
x=3

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