Answer:
Step-by-step explanation:
20x+5y=15
Subtract 20x from both sides.
5y=15−20x
Divide both sides by 5.
__5y_ = _15-20x_____
5 5
y= __15-20______
5
Divide 15−20x by 5.
y=3−4x
1325.5
im not too sure, but i think that is the answer.
The answer would be 9
answer would be B. I'm pretty sure!