Question

Check 126 (86-29)=7 249 and 127 (86-29)=7 239 by casting out nines which equations is more likely to be correct?

Answer 1

`127(86-29)` is more likely to be true

Explanation:

`126*(86-29)=126*57`
`6*7=42 " X"`

`127*(86-29)=127*57`
`7*7=49" "sqrt`