here a subtraction problem that has been solved correctly for 68-59=9 but the choices is 9+68=77 68+9=77 9+59=68 which one is th

Question

Paul [167]

2 years ago

7

here a subtraction problem that has been solved correctly for 68-59=9 but the choices is 9+68=77 68+9=77 9+59=68 which one is th

e addition sentence that checks the subtraction problem

Mathematics

1 answer:

fredd [130] · Answer 1 · 2023-03-06T12:06:35+03:00

Answer:

9+59=68

Step-by-step explanation:

Each subtraction problem has a dual addition problem that can be used for checking. In general, that dual problem will add the subtrahend back to the difference to get the minuend.

Here we have ...

original problem: 68 -59 = 9

dual problem for checking: 9 +59 = 68