Solve for x and y

7x=2y

4x=y+2

2 answers

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
7x=2y

4x=y+2
y = 4x -2

7x = 2(4x -2)
7x = 8x -4

-x = -4

x = 4
y = 14

(4,14)