Add:3m–7n, 5n+6m and – 9m –n
Answers
Answered by
2
answer is: m-3n
Step-by-step explanation:
= 3m-7n + 5n+6m +(-9m-n)
= 3m-7n +5n+6m -8m-n
= (3m+6m-8m)+(-7n+5n-n)
= m-3n
Similar questions