=-21x+9

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Solution for =-21x+9 equation:


0=-21x+9

We simplify the equation to the form, which is simple to understand 
0=-21x+9

We move all terms containing x to the left and all other terms to the right. 
+21x=+9-0

We simplify left and right side of the equation. 
+21x=+9

We divide both sides of the equation by 021 to get x. 
x=0.42857142857143

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