2x-1=-20

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Solution for 2x-1=-20 equation:



2x-1=-20
We move all terms to the left:
2x-1-(-20)=0
We add all the numbers together, and all the variables
2x+19=0
We move all terms containing x to the left, all other terms to the right
2x=-19
x=-19/2
x=-9+1/2

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