30+x=40

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Solution for 30+x=40 equation:


30+x=40

We simplify the equation to the form, which is simple to understand 
30+x=40

We move all terms containing x to the left and all other terms to the right. 
+1x=+40-30

We simplify left and right side of the equation. 
+1x=+10

We divide both sides of the equation by 1 to get x. 
x=10

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