SOLUTION: solve using substitution method 7x+4y=48 x=-4-2y

Question 879184: solve using substitution method
7x+4y=48
x=-4-2y
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi

7(-4-2y) + 4y = 48  substituting y = 

     -10y = 76

        y = -7.6  and x = 11.2  

Check ...



 

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