3x=-0,4

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Solution for 3x=-0,4 equation:



3x=-0.4
We move all terms to the left:
3x-(-0.4)=0
We add all the numbers together, and all the variables
3x+0.4=0
We move all terms containing x to the left, all other terms to the right
3x=-0.4
x=-0.4/3
x=-0.4/3

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