One Number Is 7 Less Than The Other. Their Sum Is 35. What Are The Numb…

One number is 7 less than the other. Their
Sum is 35. what are the numbers.​

Answer:

Let:

A= first number

B= other number

A= B-7 (equation 1)

A+B=35 (equation 2)

_Substitute Equation 1 to equation 2

B-7+B=35

2B=35+7

B=42/2

B=21(answer)

@ equation 1

A=B-7

A=21-7

A=14(answer)