Answer: B
Step-by-step explanation: Look at where the lines intersect
I believe it'd be the one with the smiley emoji
D. Because you're multiplying 3 by a number which is what the variable represents (n), then you're just adding 7 to that which equals 19 all together. It all translates to 3n+7=19.
Answer:
It's a true solution.
Step-by-step explanation:



