Question

método de sustitución
5x+2y=1
-3x+3y=5

Answer 1

Explicación paso a paso:

{5x + 2y = 1

{-3x + 3y = 5

{x = 1/5 - 2/5y

{-3y + 3y = 5

-3(1/5 - 2/5y) + 3y = 5

y = 4/3

x = 1/5 - 2/5 × 4/3

x = -1/3

(x, y) = (-1/3, 4/3)

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