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21x+1=1x
We simplify the equation to the form, which is simple to understand
21x+1=1x
We move all terms containing x to the left and all other terms to the right.
+21x-1x=-1
We simplify left and right side of the equation.
+20x=-1
We divide both sides of the equation by 20 to get x.
x=-0.05
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