4X+(6)/Y=15 3X-(4)/Y=7 SOLVE LINEAR EQUATION IN TWO VARIABLE
Answers
Answered by
1
Step-by-step explanation:
4 x + 6 /Y= 15
3 x- 4 /Y = 7
1/x=a
1/y=b
4a+6y=15
3a-4a=7
4a+6y=15 ×4
3a-4a=7×6
16a+24b =60
18a-24b=42
-------------------
34a=102
a=3
put a=3 in b
16×3+24b=60
b=1/2
1/x=3/1
x=1/3
1/y=1/2
y=2
hence answer is x=1/3 , y=2
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Answered by
0
Answer:
The required solution is
x = 3, y = 2
Step-by-step explanation:
4X+(6)/Y=15 - - - - - (1)
3X-(4)/Y=7 - - - - - - -(2)
Multiplying Equation (1) by 2 and Equation (2) by 3 we get
8x + 12/y = 30
9x - 12/y = 21
On addition
17x = 51
x = 3
From Equation (1)
12 + 6/y = 15
6/y = 3
y = 2
So the required solution is
x = 3, y = 2
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