Answer:
2. 45
Step-by-step explanation:
i got this right today lol
x=21/23
Solve for x:
3x+5y=21−20x+5y
Add 20x to both sides:
3x+5y+20x=−20x+5y+21+20x
23x+5y=5y+21
Subtract 5y to both sides:
23x+5y+−5y=5y+21+−5y
23x=21
Divide both sides by 23:
x=15.714
y=5.715
4/15
SEE WORK BELOW