1.

What should be added to 7a-9b+13cto get 9a+b-c​

Answer»

7a-9b+13c+x= 9a+b-c​x= 9a+b-c​+7a-9b+13c  =9a+7a+b-9b-c+13c  =16a-8b+12cYour ANSWER is 16a-8b+12cPlease MARK as BRAINLIEST and FOLLOW



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