solve by elimination method 3x+5y=9,11x=9+13y
Answers
Answered by
1
Answer:
x=81/47
y=36/47
Step-by-step explanation:
3x+5y=9.......(1)
11x=9+13y=>11x-13y=9.......(2)
Multiplying (1) by 13 and (2) by 5
39x+65y=117
55x-65y= 45
__________
94x. = 162
=>x=162/94=81/47
243/47+5y=9
=>5y=423-243/47
=>y=36/47
Similar questions