Give me answer please
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Step-by-step explanation:
Let those numbers in the boxes be w,x,y,z
w+x=8
y×z=9
w×y=21
x-z=5
w+x=x-z+3
w=3-z
multiplying both sides
wy=3y-zy
21=3y-9
y=10
z=0.9
x=5.9
w=2.1
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