1-21x=-20-9x

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Solution for 1-21x=-20-9x equation:


1-21x=-20-9x

We simplify the equation to the form, which is simple to understand 
1-21x=-20-9x

We move all terms containing x to the left and all other terms to the right. 
-21x+9x=-20-1

We simplify left and right side of the equation. 
-12x=-21

We divide both sides of the equation by -12 to get x. 
x=1.75

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