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21x-1=5
We simplify the equation to the form, which is simple to understand
21x-1=5
We move all terms containing x to the left and all other terms to the right.
+21x=+5+1
We simplify left and right side of the equation.
+21x=+6
We divide both sides of the equation by 21 to get x.
x=0.285714285714
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