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7(x+3)-2x=11
We simplify the equation to the form, which is simple to understand
7(x+3)-2x=11
Reorder the terms in parentheses
+(+7x+21)-2x=11
Remove unnecessary parentheses
+7x+21-2x=+11
We move all terms containing x to the left and all other terms to the right.
+7x-2x=+11-21
We simplify left and right side of the equation.
+5x=-10
We divide both sides of the equation by 5 to get x.
x=-2
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