Answer:
14mn + 7.
Step-by-step explanation:
-7mn+5+12mn+2+9mn
Bring like terms together:
= -7mn + 12mn + 9mn + 5 + 2
Adding like terms:
= 14mn + 7.
Answer: 7(2mn+1)
Step-by-step explanation:-7mn+12mn+9mn equals 14mn next step,
5+2 is 7
so,combining it becomez 14mn+7
which can also br written as 7(2mn+1)
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Verified answer
Answer:
14mn + 7.
Step-by-step explanation:
-7mn+5+12mn+2+9mn
Bring like terms together:
= -7mn + 12mn + 9mn + 5 + 2
Adding like terms:
= 14mn + 7.
Answer: 7(2mn+1)
Step-by-step explanation:-7mn+12mn+9mn equals 14mn next step,
5+2 is 7
so,combining it becomez 14mn+7
which can also br written as 7(2mn+1)