Question 201456
{{{4x + 5y = -7}}} Start with the given equation.



{{{4(2) + 5(-3) = -7}}} Plug in {{{x=2}}} and {{{y=-3}}} 



{{{8 -15 = -7}}} Multiply



{{{-7 = -7}}} Subtract



Since the equation is true, this means that (2, -3) is an ordered pair solution.