Question 394171


{{{-11(m-3)-8m = -2(10m-9)}}}...multiply


{{{-11m -(3)(-11)- 8m = -2*10m -9*2}}}


{{{-11m +33 - 8m = -20m - 18}}}


{{{-19m +33 = -20m - 18}}}........add {{{20m}}} to both sides

{{{20m -19m +33 = cross(20m) -cross(20m) - 18}}}


{{{m +33 = - 18}}}..add {{{-33}}} to both sides


{{{m +cross(33) -cross(33) = - 18 - 33}}}


{{{m  = - 51}}}