please solve this question
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2x-4=x/2-8(opposite sides.r equal)
3x/2=-4
x=-8/3
y+12=3y+5
7=2y
y=7/2
perimeter=7/2+12+21/2+5+(2×-8/3)-4+-8/3÷2-8
=14+12+1-16÷3-4/3-8
=9-16÷3-4/3
=9-20÷3
7/3
3x/2=-4
x=-8/3
y+12=3y+5
7=2y
y=7/2
perimeter=7/2+12+21/2+5+(2×-8/3)-4+-8/3÷2-8
=14+12+1-16÷3-4/3-8
=9-16÷3-4/3
=9-20÷3
7/3
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