The sum of the digits of a 2-digit number is 12. When the digits are reversed, the resulting number is 18 less than the original number. What is the original number?

21 i watched a 3 hr vid explaining it

step-by-step explanation:

du what else would it be

brainliest

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100

see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -