Question

alguém resolve essa equação 5+20y-13+3y=1+12y-4+2y+13
me ajudem ​

Answer 1

$5+20y-13+3y=1+12y-4+2y+13\\\\20y+3y+5-13=1+12y-4+2y+13\\\\23y+5-13=1+12y-4+2y+13\\\\23y-8=1+12y-4+2y+13\\\\23y-8=12y+2y+1-4+13\\\\23y-8=14y+1-4+13\\\\23y-8=14y+10\\\\23y-8+8=14y+10+8\\\\23y-14y=14y+18-14y\\\\9y=18\\\\\frac{9y}{9}=\frac{18}{9}\\\\y=2$