Solve the system of equations by using the addition method. -5x+8y=-5, 4x-4y=19

obojeneqk 2022-09-13 Answered
Solve the system of equations by using the addition method.
5 x + 8 y = 5 4 x 4 y = 19
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Answers (1)

gasskadeu7
Answered 2022-09-14 Author has 21 answers
Give equations
5 x + 8 y = 5 4 y + 4 x = 19
Multiply equation by 2
8 x 8 y = 38 5 x + 8 y = 5
Now adding these two equation
8 y = 5 x 5 8 y = 5 ( 11 ) 5 8 y = 55 5 y = 50 8 y = 25 4
Hence the solution of the equation is
x = 11 y = 25 / 4

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