1) x=14 and y=-3
to solve the system of equations, substitute x = -3y+5 into the equation 2x + 8y = 4 for x. this becomes 2(-3y+5) +8y = 4. to solve, apply the distributive property, combine like terms and isolate y.
then to find x, substitute y =-3 into x =-3y+5.
x = -3(-3) + 5
x = 9 + 5
x = 14