Question

By using variables and y form any two linear equations in two variables.​

Answer 1

Answer:

Solving Systems of Equations in Two Variables by the Addition Method

• Write both equations with x– and y-variables on the left side of the equal sign and constants on the right.
• Write one equation above the other, lining up corresponding variables. ...
• Solve the resulting equation for the remaining variable.

Answer 2

Answer:

x+y=12

x-y=13

Step-by-step explanation:

it is a linear equation