x = (2/7) y
then
4(2/7) y = y + 2
8y/7 = 7y/7 + 14/7
8 y = 7 y + 14
so
y = 14
but x= 2 y/7
so
x = 4
Solve for x and y
7x=2y
4x=y+2
2 answers
7x=2y
4x=y+2
y = 4x -2
7x = 2(4x -2)
7x = 8x -4
-x = -4
x = 4
y = 14
(4,14)
4x=y+2
y = 4x -2
7x = 2(4x -2)
7x = 8x -4
-x = -4
x = 4
y = 14
(4,14)