26. If x=a ,y=b is the solution of equations x-y=2 and x+y=4.Then find the value of
a and b.
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5
Answer:
refer to the attachment
this is dn by just simple elimination
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0
Answer:
add these equation
a+b+a-b= 2+4
2a= 6
a=3
put value of a in any equation
3+b=4
b=4-3
b= 1
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