X/2 +y = 0.8 and x+y/2=0.7 by cross multiplication solve it
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X+y=2×0.7
Or
X+y=1.4
Or x=1.4-y............ (1)
And
X/2+y=0.8
Or x/2=0.8-y
Or x=1.6-2y....... (2)
From equation 1&2 We get
1.4-y=1.6-2y
Or 1.4-1.6=-2y+y
Or -0.2=-y
So y = 0.2
Put the Vale of your in equation 1
We get
X=1.4-y
X=1.4-0.2
So x=1.2
Hence the value of x and yr are respectively 1.2 and 0.2
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