3x +2y=11 and 2x -3y=3 by substitution method
Answers
Answered by
10
3x + 2y = 11
3x = 11 - 2y
x = (11-2y)/3
Substitute in 2nd equation.
2x - 3y = 3
2(11-2y)/3 - 3y = 3
(22-4y)/3 - 3y = 3
(22-4y-9y)/3 = 3
22-13y = 9
22-9 = 13y
13 = 13y
y = 13/13 = 1
x = (11-2y)/3
= (11-2(1))/3
= (11-2)/3
= 9/3
= 3
Therefore, x = 3, y = 1
Answered by
3
Answer:
Step-by-step explanation:
Attachments:
Similar questions