If x=a , y=b is the solution of the equations x-y=2 and x+y=4 then the value of a and b are respectively
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0
Answer:
the value of a is -4 and b value is also 4
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1
Answer:
a-b=2
a+b=4
add both equations
thus 2a=6
therefore a=3
substitute a in any equation
and b=1
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