Explanation:
To find x we have to replace the solution into the equation - meaning we have to replace y = -4 - and solve for x:
[tex]\begin{gathered} 5x=-6y-4 \\ \text{replacing y = -4} \\ 5x=-6\cdot(-4)-4 \\ 5x=24-4 \\ 5x=20 \\ x=\frac{20}{5}=4 \end{gathered}[/tex]Answer:
x = 4
