Answer:
Correct answers are
First one
Second one
Third one
Step-by-step explanation:
3x+5x=8x
3(x+4)=3x+12
a+a+b=2a+b
The steps are labeled, and the chart on the side is to help you know which numbers are x, and which ones are y.
Answer:
i need help too
Step-by-step explanation:
its hard