3=-1-2x

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Solution for 3=-1-2x equation:



3=-1-2x
We move all terms to the left:
3-(-1-2x)=0
We add all the numbers together, and all the variables
-(-2x-1)+3=0
We get rid of parentheses
2x+1+3=0
We add all the numbers together, and all the variables
2x+4=0
We move all terms containing x to the left, all other terms to the right
2x=-4
x=-4/2
x=-2

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