1=0.4x-0.8x-31

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Solution for 1=0.4x-0.8x-31 equation: 



1=0.4x-0.8x-31

We move all terms to the left:

1-(0.4x-0.8x-31)=0

We add all the numbers together, and all the variables

-(-0.4x-31)+1=0

We get rid of parentheses

0.4x+31+1=0

We add all the numbers together, and all the variables

0.4x+32=0

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

0.4x=-32

x=-32/0.4

x=-80

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