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Module 5Lin equation

Solving Systems of Linear Equations by Graphing and Substitution

QuestionAnswer
Solve the system of equations by graphing. x+y=-8 x+y=8 No solution
Are the graphs of the given equations identical lines, parallel lines, or lines intersecting at a single point? x=-2 y=-2 Intersecting
Solve the system of equations by the substitution method. 9x+3y=13 -3x=y+6 No solution
Solve the system of equations by the substitution method. 5x+y+5=-12+9y-x 2x+x=y+4 (3,5)
Solve by graphing. y=-2x 2x-y=8 (2,-4)
Solve by graphing. y+2x=-2 -4x-2y=4 There are infinitely many solutions
Created by: Tesssssa09
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