Solve the pair of linear equation by the substitution
2x-3y = 11
5x + y = 2
Answers
Answered by
0
Step-by-step explanation:
answer is 1
plg like and follow
Attachments:
Answered by
0
2x-3y=11 ---------------(i)
5x+y=2------------------(ii)
(i)×1= 2x-3y=11----------(iii)
(ii)×3= 15x+3y=6--------(iv)
____________
17x= 17
=》x= 17/17
=1
put on your ans x= 1 equation (ii)
=》5x+y=2
=》5×(1)+y=2
=》5+y=2
=》y= 2-5
=-3
ans x=1, y=-3
Similar questions