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Kinghima:
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Given 1st Equation is,


A - B = 60 ----------------- (1)
Given 2nd Equation is,


A = 90 ------------------- (2)
Substitute (2) in (1), we get
A - B = 60
90 - B = 60
-B = 60 - 90
-B = -30
B = 30.
Therefore the value of A = 90 and B = 30.
Hope this helps!
A - B = 60 ----------------- (1)
Given 2nd Equation is,
A = 90 ------------------- (2)
Substitute (2) in (1), we get
A - B = 60
90 - B = 60
-B = 60 - 90
-B = -30
B = 30.
Therefore the value of A = 90 and B = 30.
Hope this helps!
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