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-6(7w-3)=2(-21w+9)
We simplify the equation to the form, which is simple to understand
-6(7w-3)=2(-21w+9)
Reorder the terms in parentheses
+(-42w+18)=2*(-21w+9)
Remove unnecessary parentheses
-42w+18=+2+*(-21w+9+)
Reorder the terms in parentheses
-42w+18=+(-42w+18)
Remove unnecessary parentheses
-42w+18=-42w+18
We move all terms containing w to the left and all other terms to the right.
-42w+42w=+18-18
We simplify left and right side of the equation.
w=0
0=0
This equation is an identity, so all real numbers are solutions.
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