Verify the following :
(-14) + 9 = 9 + (-14)
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We have
LHS = (−14) + 9= −5
RHS = 9 + (−14)= −5
Since LHS = RHS,∴ (-14) + 9 = 9 + (-14)
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Evaluate :
(-1) - (-19)
8 - (-23)
(-8) + (-12) = (-12) + (-8)
(-6) + [(-8) + 12] = [(-6) + (-8)] + 12