1289-____+856=1289. you have to fill in the blank

Mathematics · Middle School · Wed Jan 13 2021

Answered on

We have,

Let the number in blank be x

Then, 

1289 - x + 856= 1289

x = 1289 - 1289 + 856

x = 856

So, 1289 - 856 +856=1289