solve the following simultaneous equation : 6. x + 3y = 5, 3x - y = 5
Answers
Answered by
2
Answer: x=2 y=1
Step-by-step explanation:
x+3y=5...................(1)
3x-y=5....................(2)
to eliminate x substitute y into (2)
(1)*3 - (2)*1 3x-1=5
3x+9y=15 3x=5+1
-3x-y=5 3x=6
10y=10 therefore x=2
y=1
Similar questions