4xxx-9=0

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Solution for 4xxx-9=0 equation:


4xxx-9=0

We simplify the equation to the form, which is simple to understand 
4x-9=0

We move all terms containing x to the left and all other terms to the right. 
+4x=0+9

We simplify left and right side of the equation. 
+4x=+9

We divide both sides of the equation by 4 to get x. 
x=2.25

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