Respuesta:
Explicación paso a paso:
25 - x = 10
x= 35
-----------------------------
85 +45 = x
x = 130
-----------------------------------
71 +x = 123
x= 52
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Verified answer
Respuesta:
Explicación paso a paso:
25 - x = 10
x= 35
-----------------------------
85 +45 = x
x = 130
-----------------------------------
71 +x = 123
x= 52