# SOLUTION: Solve each of the system by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent. 10x + 2y = 7 y = -5

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations -> SOLUTION: Solve each of the system by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent. 10x + 2y = 7 y = -5      Log On

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 Question 67619: Solve each of the system by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent. 10x + 2y = 7 y = -5x + 3 Any help is appreciated. Thanks Answer by checkley71(8403)   (Show Source): You can put this solution on YOUR website!10x+2y=7 & y=-5x+3 multiply equation #2 by -2 & add -10x-2y=-6 ------------------------- 0x+0y=1 inconsistant