Solve 2x + 2y = 28 and 5x - 2y = 28

2x + 2y = 28

2x + 2y -2y= 28-2y

2x=28-2y

2x/2=28/2-2y/2

x=1-y

5x - 2y = 28

5(1-y) - 2y = 28

5(1) (5)(-y) - 2y = 28

5-5y- 2y = 28

5-7y = 28

5-7y-5 = 28-5

-7y=23

-7y/-7=23/-7

y=-3.28

x=1-y

x=1--3.28

y=4.28