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3*3*x=81
We simplify the equation to the form, which is simple to understand
3*3*x=81
Simplifying:
+9*x=81
Simplifying:
+9x=81
We move all terms containing x to the left and all other terms to the right.
+9x=+81
We simplify left and right side of the equation.
+9x=+81
We divide both sides of the equation by 9 to get x.
x=9
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