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9x=21000
We simplify the equation to the form, which is simple to understand
9x=21000
We move all terms containing x to the left and all other terms to the right.
+9x=+21000
We simplify left and right side of the equation.
+9x=+21000
We divide both sides of the equation by 9 to get x.
x=2333.3333333333
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