add the following
(5x+6y+7z), (7x+6y+5z)
Answers
Answered by
3
Step-by-step explanation:
(5x+6y+7z)+(7x+6y+5z)
= 5x+6y+7z+7x+6y+5z
= 12x+12y+12z
= 12(x+y+z)
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