X + Y is equal to 8 2 x minus 3 Y is equal to 1 Express in the substitution method
singh171:
the answer is 3
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Hiii friend,
X+Y = 8......(1)
2X -3Y = 1....(2)
From equation 1 we get,
X +Y = 8
X = 8-Y.......(3)
Putting the value of X in equation (2)
2X -3Y = 1
2 × (8-Y) -3Y = 1
16 - 2Y -3Y = 1
-5Y = 1-16
-5Y = -15
Y = 15/5 = 3
PUTTING THE VALUE OF Y IN EQUATION (3)
X = 8-Y => 8-3= 5
Hence,
X = 5 and Y = 3.
HOPE IT WILL HELP YOU..... :-)
X+Y = 8......(1)
2X -3Y = 1....(2)
From equation 1 we get,
X +Y = 8
X = 8-Y.......(3)
Putting the value of X in equation (2)
2X -3Y = 1
2 × (8-Y) -3Y = 1
16 - 2Y -3Y = 1
-5Y = 1-16
-5Y = -15
Y = 15/5 = 3
PUTTING THE VALUE OF Y IN EQUATION (3)
X = 8-Y => 8-3= 5
Hence,
X = 5 and Y = 3.
HOPE IT WILL HELP YOU..... :-)
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