Question

4y=x+4 X=y+2 Is there a solution

Answer 1

$\left \{ {{4y=x+4} \atop {x=y+2}} \right. \\\\Substitute\ second\ equation\ to\ first:\\\\4y=y+2+4\\4y-y=2+4\\3y=6\ \ \ \ \ |:3\\y=2\\\\x=2+2=4\\\\ \left \{ {{y=2} \atop {x=4}} \right.$