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17-02-2022
Mathematics

contestada

Which statement explains how the lines x + y = 2 and y = x + 4 are related?

Respuesta :

17-02-2022

Answer: X = -1 and Y = 3
—————————————
X + Y = 2
X = 2 - Y
————————
Y = x + 4
Y = 2 - Y + 4
2Y = 2 + 4
2Y = 6
Y = 3
————————
X + Y = 2
X + 3 = 2
X = -1

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