In the following, find the co-ordinates of the point whose abscissa is the solution of the first equation and ordinate is the solution of the second equation :
3−2x=7;2y+1=10−212y.
A
(−2,2)
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B
(−4,2)
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C
(−2,−2)
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D
(−4,−2)
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Solution
The correct option is A(−2,2) First equation: 3−2x=7 =>2x=3−7=−4 =>x=−2