Answer:
3n
Step-by-step explanation:
We can see that the 3 gets distributed into the parentheses since there is a +21 on the right (3×7=21) so we also have to distribute the 3 to the n
Could you explain a bit more please
ll,,Step-by-step explanation:
Answer:
x = 5.6 or you can write like this: x = 5 3/5
Step-by-step explanation: