Q. Find an expression which represents the sum of (−8x−y) and (−7x−5y) in simplest terms.Answer:
Combine Like Terms: We need to add the two expressions (−8x−y) and (−7x−5y) together. To do this, we combine like terms, which means adding the coefficients of x together and the coefficients of y together.Calculation: (−8x−y)+(−7x−5y)=−8x+(−7x)+(−y)+(−5y)
Simplify Expression: Now, we simplify the expression by combining the x terms and the y terms.Calculation: −8x+(−7x)=−15x and −y+(−5y)=−6ySo, the simplified expression is −15x−6y.
Check for Errors: We check for any mathematical errors in the simplification process. We have correctly added the coefficients of x and y, so there are no errors.
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