**4x+2y=16**

**5x-4y=20**

**solving systems of equations by elimination**

**Answer:**

multiply the first equation by 2

8 x + 4y = 32

5x - 4y = 20

adding both equations we have

13x = 52

x = 52/13 = 4

y = (16-4x)/2 = 16-4*4 / 2 = 0

**4x+2y=16**

**5x-4y=20**

**solving systems of equations by elimination**

**Answer:**

multiply the first equation by 2

8 x + 4y = 32

5x - 4y = 20

adding both equations we have

13x = 52

x = 52/13 = 4

y = (16-4x)/2 = 16-4*4 / 2 = 0