Question

Given x=-2/3y,then find y if x= -1/5​

Answer 1

Answer:

Find the value of X and  Y if

2X+3Y=[2430] 3X+2Y=[2−1−25]

→ let Assume [2430] = A

[2−1−25] = B 

→2x+3y=A __ (i)

3x+2y=B __ (ii) 

→ multiple equation (i) with 2 & equation (ii) with (3)

4x+6y=2A

9x+6y=3B

________________

−5x=2A−3B

∴x=5−1[2A−3B]

∴x=53B−52A

=53[2−1−25]−52[24