Solve this system of equation using substitution y=2x-4 x+2y=10

Y=2x-4

X+2y=10

Put y into the x equation

X+2 (2x-4) = 10

Expand and simplify

X+4x-8=10

5x-8 = 10

5x=10+8

5x=18

X=18/5

Insert x into the original equation to get y

Y=2x-4

Y=2 (18/5) - 4

Y=16/5