If the left side of the equation is divided by 2 and the right side is multiplied by 0.5, the left and right sides of the equation are still equal In three minutes

If the left side of the equation is divided by 2 and the right side is multiplied by 0.5, the left and right sides of the equation are still equal In three minutes

Because △ 2 = Times 0.5, and 0.5 ≠ 0
So it was established