the sum of one number is 21 and the one of the number is 19 then find the difference
Answers
Answered by
2
Let x be the bigger number.
Let y be the smaller number.
We can create two equations based on the given:
x+y=7
x-y=5
Adding the two together results in y being cancelled out.
(x+y=7) + (x-y=5)
2x=12
Let y be the smaller number.
We can create two equations based on the given:
x+y=7
x-y=5
Adding the two together results in y being cancelled out.
(x+y=7) + (x-y=5)
2x=12
Similar questions