.4x+9=25

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Solution for .4x+9=25 equation: 



.4x+9=25

We move all terms to the left:

.4x+9-(25)=0

We add all the numbers together, and all the variables

.4x-16=0

We move all terms containing x to the left, all other terms to the right

.4x=16

x=16/.4

x=40

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