A=18,b=25so how we solve a-(-b)=a+b
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Step-by-step explanation:
a = 18 , b = 25
a - ( - b) = 18 - ( - 25)
= 18 + 25
= 43 ......(1)
a + b = 18 + 25
= 43 ........(2)
(1) = (2) thus proved
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