Answer:
n=2/3
Step-by-step explanation:
1. you do 7×---=21 next you do not what the answer was to 7×---=21 times 3
2. go back to 1.( what you did to 1. )
3. go back to 1. ( what you did to 1.)
Answer:
m=10
Step-by-step explanation:
add 2 on both sides then divide both sides by -7
