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-3b+9(b-7)=6(b-11)
We simplify the equation to the form, which is simple to understand
-3b+9(b-7)=6(b-11)
Reorder the terms in parentheses
-3b+(+9b-63)=6*(b-11)
Remove unnecessary parentheses
-3b+9b-63=+6+*(+b-11+)
Reorder the terms in parentheses
-3b+9b-63=+(+6b-66)
Remove unnecessary parentheses
-3b+9b-63=+6b-66
We move all terms containing b to the left and all other terms to the right.
-3b+9b-6b=-66+63
We simplify left and right side of the equation.
b=-3
0=-3
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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