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2*(3w+w)=90
We simplify the equation to the form, which is simple to understand
2*(3w+w)=90
Simplifying terms in parentheses
2*(+4w)=90
Reorder the terms in parentheses
+(+8w)=90
Remove unnecessary parentheses
+8w=+90
We move all terms containing w to the left and all other terms to the right.
+8w=+90
We simplify left and right side of the equation.
+8w=+90
We divide both sides of the equation by 8 to get w.
w=11.25
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