Respuesta :
Multiply both side by 28:
7y+280=4y
Move the terms:
7y-4y= -280
Divide both sides by 3:
3y= -280
Answer:
Y= -280/3
7y+280=4y
Move the terms:
7y-4y= -280
Divide both sides by 3:
3y= -280
Answer:
Y= -280/3