What is the midpoint of 18.6 and 18.5?

4th option is correct xy=-10

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-6 is the correct option from the above given options

solve systems of equations by graphing. a system of linear equations contains two or more equations e.g. y=0.5x+2 and y=x-2. the solution of such a system is the ordered pair that is a solution to both equations. to solve a system of linear equations graphically we graph both equations in the same coordinate system