2.8x+12=-1.4-9

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Solution for 2.8x+12=-1.4-9 equation: 



2.8x+12=-1.4-9

We move all terms to the left:

2.8x+12-(-1.4-9)=0

We add all the numbers together, and all the variables

2.8x+12-(-10.4)=0

We add all the numbers together, and all the variables

2.8x+22.4=0

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

2.8x=-22.4

x=-22.4/2.8

x=-8

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