.4x-4=30

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Solution for .4x-4=30 equation:



.4x-4=30
We move all terms to the left:
.4x-4-(30)=0
We add all the numbers together, and all the variables
.4x-34=0
We move all terms containing x to the left, all other terms to the right
.4x=34
x=34/.4
x=85

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