Identify two appropriate variables, and use the variables to write equations. Use either the elimination method or the substitution method to solve the equation The sum of two numbers is $40$ _.There difference is $6$ .
Find the numbers.

Question

Identify two appropriate variables, and use the variables to write equations. Use either the elimination method or the substitution method to solve the equation The sum of two numbers is

40

_.There difference is

6

.
Find the numbers.

Quizplus · Accepted Answer

Let the two numbers be $x$ and $y$. The equations are $x + y = 40$ and $x - y = 6$. Solving these using the elimination method, we add the two equations to get $2x = 46$, so $x = 23$. Substituting $x = 23$ into $x + y = 40$, we get $y = 17$. Thus, the numbers are $23$ and $17$.

Identify Two Appropriate Variables, and Use the Variables to Write 404040

Identify Two Appropriate Variables, and Use the Variables to Write $40$