# SOLUTION: Solve each equation by the addition method. Determine whether the equation are independent, dependant, or inconsistent. 28. -3x + 2y = 8 3x + 2y = 8

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Solve each equation by the addition method. Determine whether the equation are independent, dependant, or inconsistent. 28. -3x + 2y = 8 3x + 2y = 8       Log On

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 Click here to see ALL problems on Linear Equations And Systems Word Problems Question 54137: Solve each equation by the addition method. Determine whether the equation are independent, dependant, or inconsistent. 28. -3x + 2y = 8 3x + 2y = 8 Answer by funmath(2925)   (Show Source): You can put this solution on YOUR website!Add the two equations together and eliminate the x's. -3x+2y=8 +3x+2y=8 ________ 0+4y=16 4y=16 4y/4=16/4 y=4 Substitue y=4 into one of the equations and solve for x. 3x+2(4)=8 3x+8=8 3x+8-8=8-8 3x=0 3x/3=0/3 x=0 The solution appears to be (x,y)=(0,4) ----------------------------------- Check by substitution into both equations: -3(0)+2(4)=8 0+8=8 8=8 The first equation checks. 3(0)+2(4)=8 0+8=8 8=8 The second equation also checked, so we can say with confidence from a mountaintop that the solution is: (x,y)=(0,4) Happy Calcualting!!!