# SOLUTION: Please solve this using the substitution method. x = 3y - 5 6x - 18y = -30

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 Question 272064: Please solve this using the substitution method. x = 3y - 5 6x - 18y = -30 Answer by checkley77(12569)   (Show Source): You can put this solution on YOUR website!x = 3y - 5 6x - 18y = -30 6(3y-5)-18y=-30 18y-30-18y=-30 0y=-30+30 0y=0 There is no unique solution to these 2 equations for the x & y terms. The 2 equations are identical. Should you plot these 2 equations, you'd find that they form a single line which has an infinite number of solutions for x & y.