Explicación paso a paso:
x= 8+5y
-7 ( 8 + 5y) + 8y =25
-56 - 35y + 8y =25
-56 -27y =25
-27y = 25+56
y= 81/27
y= 27/9
x= 8 + 5( 27/9)
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Explicación paso a paso:
x= 8+5y
-7 ( 8 + 5y) + 8y =25
-56 - 35y + 8y =25
-56 -27y =25
-27y = 25+56
y= 81/27
y= 27/9
x= 8 + 5( 27/9)