Question

(x-87)-27=36 решение и проверка

Answer 1

(х-87)-27=36

х-87 = 63

х= 150.

______

 

(150-87)-27=36

              36=36

Answer 2

(х-87)-27=36

 х-87=36+27

 х-87=63

 х=63+87

 х=150

(150-87)-27=36