(7 + 3) + 9 = 7 + ( ____ + 9)

pasagot po nung blank yung tama​


Sagot :

Answer:

3

Step-by-step explanation:

( 7 + 3) + 9 = 7 + ( 3 + 9 )

10 + 9 = 7 + 12

19 = 19

View image MAEEECHAN
Let x= the blank to solve

(7+3) +9 = 7+(x+9)
10+9 = 7+x+9
19=16+x
19-16=x
x=3 ➡️Ans

Checking:

(7+3) +9 = 7+(3+9)
10+9 = 7+12
19=19 ✔️

Reminder: Always compute first on the parentheses.