Question 506323
{{{2a-7=-9}}} Start with the given equation.



{{{2a=-9+7}}} Add {{{7}}} to both sides.



{{{2a=-2}}} Combine like terms on the right side.



{{{a=(-2)/(2)}}} Divide both sides by {{{2}}} to isolate {{{a}}}.



{{{a=-1}}} Reduce.



----------------------------------------------------------------------


Answer:


So the solution is {{{a=-1}}}