Solve by elimination method: 3x +2y = 4 ; x – 2y = 4
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For elimination method you need to make the coefficiant same for any one variable
Here you can see y has same variables ( +ve or -ve dosnt matter as you can add or subtract)
Thus we add both equations
4x = 8 => x = 2
Put in anh equation
y= (x-4)/2 = -1
Here you can see y has same variables ( +ve or -ve dosnt matter as you can add or subtract)
Thus we add both equations
4x = 8 => x = 2
Put in anh equation
y= (x-4)/2 = -1
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