Respuesta:
2(x+6) +3(2x-9 )= 25
2x+12+6x-27=25
8x-15=25
8x=25+15
8x=40
x=5
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Respuesta:
2(x+6) +3(2x-9 )= 25
2x+12+6x-27=25
8x-15=25
8x=25+15
8x=40
x=5