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-r-11=11(r-5)-4(-4+3r)
We simplify the equation to the form, which is simple to understand
-r-11=11(r-5)-4(-4+3r)
Reorder the terms in parentheses
-r-11=+(+11r-55)-4*(-4+3r)
Remove unnecessary parentheses
-r-11=+11r-55-4+*(-4+3r+)
Reorder the terms in parentheses
-r-11=+11r-55+(+16-12r)
Remove unnecessary parentheses
-r-11=+11r-55+16-12r
We move all terms containing r to the left and all other terms to the right.
-1r-11r+12r=-55+16+11
We simplify left and right side of the equation.
r=-28
0=-28
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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