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(2/3)x+7=21
We simplify the equation to the form, which is simple to understand
(2/3)x+7=21
Simplifying:
( + 0.666666666667)*x+7=21
Reorder the terms in parentheses
( + 0.666666666667x)+7=21
Remove unnecessary parentheses
+ 0.666666666667x+7=21
We move all terms containing x to the left and all other terms to the right.
+ 0.666666666667x=+21-7
We simplify left and right side of the equation.
+ 0.666666666667x=+14
We divide both sides of the equation by 0.666666666667 to get x.
x=21
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