Question

add: 7mn + 12+2+8+9mn-2mn+5 +2-8-3​

Answer 1

Answer:

7mn + 12+2+8+9mn-2mn+5 +2-8-3

• =7mn+31+-2mn+7-11
• =5mn+27

Answer 2

Answer:

−7mn+5)+(12mn+2)+(9mn−8)+(−2mn−3)

=−7mn+5+12mn+2+9mn−8−2mn−3

=12mn−4

Step-by-step explanation:

i hope that's useful for you