# SOLUTION: Solve by substitution,state whether it is independent,inconsistent,or dependent.; x - y = 3 3x -2y = 3

Algebra ->  Algebra  -> Graphs -> SOLUTION: Solve by substitution,state whether it is independent,inconsistent,or dependent.; x - y = 3 3x -2y = 3       Log On

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 Algebra: Graphs, graphing equations and inequalities Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Graphs Question 100729: Solve by substitution,state whether it is independent,inconsistent,or dependent.; x - y = 3 3x -2y = 3 Answer by stanbon(57347)   (Show Source): You can put this solution on YOUR website!1st: x - y = 3 2nd: 3x -2y = 3 ------------- Multiply 1st by 3 to get: 3rd: 3x - 3y = 9 -------------------- Subtract 2nd from 3rd to get: -y = 6 y = -6 -------------- Substitute into 1st to solve for "x" x -(-6) = 3 x+6 = 3 x = -3 ---------------- Check the answer in 2nd: 3(-3) - 2(-6) = 3 -9 +12 = 3 3 = 3 ----------------- The system is consistent. ======================== Cheers, Stan H.