Here we solve this Math Question- Find the Sum of – 489 and – 324
Solve-
= - 489 and - 324
Here We Using rule for addition of integers with unlike signs, we have to do Addition:
= -489 + (-324)= - 489 - 324= -(489+324)
{Take out the subtrac sign (-) outside and do the addition}
= -813 Ans.Use these formulas -
( - x + = -)
( + x - = -)
( + x + = -)
( - x - = +)
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