Subtitution voise
- 3. Y = 5x +11 y=10x - 4 5x+11=10x-4
- 4. Y = 5x +11 y=10x - 4 5x+11=10x-4 -5x -5x 11 =5x -4 +4= +4 15= 5x 5 5 3=x
- 5. Y = 5x +11 5(3)+11=26 y=10x – 4 10(3)-4=26 5x+11=10x-4 -5x -5x 11 =5x -4 +4= +4 15= 5x 5 5 3=x
- 6. Y = 5x +11 5(3)+11=26 y=10x – 4 10(3)-4=26 5x+11=10x-4 -5x -5x 11 =5x -4 +4= +4 15= 5x 5 5 SOLUTION 3=x (3,26)