4.2=x-2.8

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Solution for 4.2=x-2.8 equation:



4.2=x-2.8
We move all terms to the left:
4.2-(x-2.8)=0
We get rid of parentheses
-x+2.8+4.2=0
We add all the numbers together, and all the variables
-1x+7=0
We move all terms containing x to the left, all other terms to the right
-x=-7
x=-7/-1
x=+7

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