# SOLUTION: x-3y=2 3x-4y=-4 Cant solve this using substitution method. any help would be appreciated thanks

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations -> SOLUTION: x-3y=2 3x-4y=-4 Cant solve this using substitution method. any help would be appreciated thanks      Log On

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 Click here to see ALL problems on Linear-systems Question 545358: x-3y=2 3x-4y=-4 Cant solve this using substitution method. any help would be appreciated thanksAnswer by jim_thompson5910(28595)   (Show Source): You can put this solution on YOUR website!Step 1: Solve x-3y=2 for x to get x = 3y+2 Step 2: Move onto 3x-4y=-4 and replace 'x' with '3y+2' (this is possible since x = 3y+2, ie, they are the same thing). So this substitution gives us 3(3y+2)-4y=-4 Step 3: Solve for y in the equation 3(3y+2)-4y=-4 (I'll let you do that) Step 4: Use the answer from step 3 to find the value of x. You can use any equation, but x = 3y+2 is the easiest