Respuesta :
sustitution:
x - y = 2
x = y + 2
substitute y + 2 for x in the other equation
0.2(y + 2) + 0.4y = 1
0.2y + 0.4 + 0.4y = 1
0.6y = 0.6
y = 1
x - 1 = 2
x = 3
elimination:
x - y = 2
-0.2(x - y) = -0.2(2)
-0.2x + 0.2y = -0.4
-0.2x + 0.2y = -0.4
0.2x + 0.4y = 1
-------------------------
0.6y = 0.6
y = 1
x - 1 = 2
x = 3
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x - y = 2
x = y + 2
substitute y + 2 for x in the other equation
0.2(y + 2) + 0.4y = 1
0.2y + 0.4 + 0.4y = 1
0.6y = 0.6
y = 1
x - 1 = 2
x = 3
elimination:
x - y = 2
-0.2(x - y) = -0.2(2)
-0.2x + 0.2y = -0.4
-0.2x + 0.2y = -0.4
0.2x + 0.4y = 1
-------------------------
0.6y = 0.6
y = 1
x - 1 = 2
x = 3
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
