10y+x=36 ; 9y-9x=36
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10y+x=36...... first equation
9y-9x=36..... second equation
aks
first equation 9 multiple
90x+9y=324
9y-9x=36
99y=360
y=360/99
y=40/11 answer
y value equation second
9×40/11-9x=36
360/11-36=9x
x=360-396/99
x=-36/99
=-4/11
answer
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