21x-4=20x

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Solution for 21x-4=20x equation:


21x-4=20x

We simplify the equation to the form, which is simple to understand 
21x-4=20x

We move all terms containing x to the left and all other terms to the right. 
+21x-20x=+4

We simplify left and right side of the equation. 
+1x=+4

We divide both sides of the equation by 1 to get x. 
x=4

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