Question

-7mn+5,12+2,9mn-8,-2mn-3 (add) please answer step by step​

Answer 1

Answer:

$=>( - 7mn + 5) + (12 + 2) + (9mn - 8) + ( - 2mn - 3)$

$=> - 7mn + 5 + 12 + 2 + 9mn - 8 - 2mn - 3$

$=>-9mn+9mn+19-11$

$=><strong>+</strong><strong>8</strong>$

Answer 2

Hey buddy

Here is your answer