in the given figure PQRS is a parallelogram.find it's perimeter
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Answer:
x = 15 and. y = 36
Step-by-step explanation:
2x+5=y-1
2x-y=-6••••• 1
3x-4=y+5
3x-y=9•••••• 2
from 1 and 2
3x-y=9
2x-y=-6
x = 15
y=3×15-9
=45-9
=36
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