Question 383597
Substitute the second eq. into the first equation.
{{{x-2(-4x+24)=-3}}}
{{{x+8x-48=-3}}}
{{{9x=45}}}
{{{highlight(x=5)}}}
Then from the second equation,
{{{y=-4(5)+24}}}
{{{y=-20+24}}}
{{{highlight(y=4)}}}