laurendiaz0805
laurendiaz0805
11-11-2018
Mathematics
contestada
5x - 2y = 3, -5x + 4y = 9 solutions
Respuesta :
stricklama
stricklama
11-11-2018
5x-2y=3
-5x+4y=9
2y= 12
divide it by 2
y= 6
put y in any equation
5x-2 (6)=3
5x-12=3
5x= 3+12=15
divide by 5
x=3
y= 6
Answer Link
suspho
suspho
11-11-2018
(5x - 2y) + (-5x + 4y) = 9 + 3
-2y + 4y = 12
2y = 12
y = 12 : 2
y = 6
Answer Link
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