Solving for x.
Add by to both sides
Ax=c+by
Divide both sides by a
x=c+by
-------
a
English...because english subject is a part of our language worldwide and that can communicate all over the world...its just my opinion
3(9 - 8x - 4x) + 8(3x + 4) = 11
3(9 - 12x) + 8(3x + 4) = 11
27 - 36x + 24x + 32 = 11
59 - 12x = 11
-12x = 11 - 59
-12x = -48
x = 4
hope this helps, God bless!