ane mata me "samagami sameekaranaya" wisandala dennako?
2x+3y= -7
2x+12y=2
please.
2x+3y= -7 —①2x+12y=2 —②
② - ①
2x+12y-(2x+3y) = 2-(-7)2x+12y-2x-3y = 2+79y=9y=1
y=1 ①ට ආදේශ කරමු.
2x+3y=-72x=-7-32x=-10x=-5
Answers
2x+3y= -7 —①
2x+12y=2 —②
② - ①
2x+12y-(2x+3y) = 2-(-7)
2x+12y-2x-3y = 2+7
9y=9
y=1
y=1 ①ට ආදේශ කරමු.
2x+3y=-7
2x=-7-3
2x=-10
x=-5