4x+.4x-3=6x+9

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Solution for 4x+.4x-3=6x+9 equation:



4x+.4x-3=6x+9
We move all terms to the left:
4x+.4x-3-(6x+9)=0
We add all the numbers together, and all the variables
4.4x-(6x+9)-3=0
We get rid of parentheses
4.4x-6x-9-3=0
We add all the numbers together, and all the variables
-1.6x-12=0
We move all terms containing x to the left, all other terms to the right
-1.6x=12
x=12/-1.6
x=-7+0.8/1.6

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