0.4x+1.2x-0.8x+3=0

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Solution for 0.4x+1.2x-0.8x+3=0 equation: 



0.4x+1.2x-0.8x+3=0

We add all the numbers together, and all the variables

0.8x+3=0

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

0.8x=-3

x=-3/0.8

x=-3+0.6/0.8

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