please help.thanks so much
For the first:x = 80, so put 80 into the place of x1 + 80 ÷ 5 = 16.2Second:\(\frac{10}{2} = 5\)Third: Rewrite 2 x 7 - 5 = 9Last:3a3 times A (3 times 7) = 2115 + 3 = 18over15 - 6 = 921 + \(\frac{18}{9} = 2\)Answer: 23