Respuesta:
4x-20+x+30=180
5x - 20 + 30 = 180
5x + 10 = 180
5x = 180 - 10
5x = 170
x = 34
Explicación paso a paso:
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Respuesta:
4x-20+x+30=180
5x - 20 + 30 = 180
5x + 10 = 180
5x = 180 - 10
5x = 170
x = 34
Explicación paso a paso: