show that the sum by using substitution method first 3 X + 2 Y - 11 equal to zero
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where is 2nd equation
3x+2y,-11=o
3x+2y=11
3x=11-2y
x=11-2y/3
3x+2y,-11=o
3x+2y=11
3x=11-2y
x=11-2y/3
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