0.8x+0.3=-2.1

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Solution for 0.8x+0.3=-2.1 equation: 



0.8x+0.3=-2.1

We move all terms to the left:

0.8x+0.3-(-2.1)=0

We add all the numbers together, and all the variables

0.8x+2.4=0

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

0.8x=-2.4

x=-2.4/0.8

x=-2+0.8/0.8

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