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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