what is the solution to 2x+12=5x-9
\(2x+12=5x-9\ \ \ \ |combine\ like\ terms\\\\2x-5x=-9-12\ \ \ \ \ |simplify\\\\-3x=-21\ \ \ \ \ |:-3\\\\x=7\)
so 2x+12=5x-9you want all of the unknowns on one side and all of the known values on the other orsubtract 2x from both sides12=3x-9add 9 to both sides21=3xdivide both sides by 37=x
