Respuesta:
x = -2
y = 1
Explicación paso a paso:
2x + 5y = 1
-x + y = 3
y = 3 + x
2x + 5(3+x) = 1
2x + 15 + 5x = 1
2x + 5x = 1 - 15
7x = -14
x = -14/7
y = 3 + (-2)
y = 3 - 2
2(-2) + 5(1) = 1
-4 + 5 = 1
1 = 1
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Verified answer
Respuesta:
x = -2
y = 1
Explicación paso a paso:
2x + 5y = 1
-x + y = 3
y = 3 + x
2x + 5(3+x) = 1
2x + 15 + 5x = 1
2x + 5x = 1 - 15
7x = -14
x = -14/7
x = -2
y = 3 + (-2)
y = 3 - 2
y = 1
2(-2) + 5(1) = 1
-4 + 5 = 1
1 = 1