owenggmoore owenggmoore

26-03-2020
Mathematics

contestada

solve the system of equations is given below 2x+3y=18 x+7y=31

Respuesta :

26-03-2020

{2x + 3y = 18
x + 7y = 31}

2x+ 3y = 18
x=31-7

2(31-7)+3y=18

y=4

x=31-7*4
x=3

(x,y) = (3,4)

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