If x+y=20, x-y=10, for integers of x and y, x=?

If x+y=20, x-y=10, for integers of x and y, x=?

Answer/Solution

15

Steps/Work

x+y =20
x-y = 10
2x = 30
x = 15
Answer is A

General Calculator / Auto Solver

If x + y = , x - y = , for integers of x and y, x =?

Calculated Answer

15

Step by Step Solution

In order to solve problem, you must evaluate (n₀ + n₁) / 2.

n₀ =	20
n₁ =	10

(n₀ + n₁) / 2
Evaluate n₀ + n₁ = 30
30 / 2
Evaluate 30 / 2 = 15
15
The answer to the problem and the result of (n₀ + n₁) / 2 is 15