Respuesta :

TheBreeze

x + y = 13

x - y = -7

To solve, we can use the addition property:

2x = 6

x = 3

y = 10

{3, 10}

PauloL

x + y = 13

x - y = -7


Resolving by add method:


x + x + y + (-y) = 13 + (-7)

2x = 6

x = 6/2

x = 3


x + y = 13

3 + y = 13

y = 13 - 3

y = 10


The numbers are 3 and 10

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