.4x=9

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Solution for .4x=9 equation:


.4x=9

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

We move all terms containing x to the left and all other terms to the right. 
 + 0.4x=+9

We simplify left and right side of the equation. 
 + 0.4x=+9

We divide both sides of the equation by 0.4 to get x. 
x=22.5

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