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x+x-22x+121=0
We simplify the equation to the form, which is simple to understand
x+x-22x+121=0
We move all terms containing x to the left and all other terms to the right.
+1x+1x-22x=0-121
We simplify left and right side of the equation.
-20x=-121
We divide both sides of the equation by -20 to get x.
x=6.05
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