Question

Solve the following sysyem of equations by the substitution method.  5x+y=8 3×+y=8

Answer 1

$5x+y=8\\ 3x+y=8\\\\ y=-5x+8\\ 3x+y=8\\\\ 3x-5x+8=8\\ -2x=0\\ x=0\\\\ y=-5\cdot0+8\\ y=8\\\\ \boxed{(x,y)=(0,8)}$