4x+54+8x-30=180
12x + 24 =180
x+2=15
El 2 ahora pasa a restar
15-2=13
x=13
Pamela <3
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Respuesta
4x+54+8x-30=180
12x + 24 =180
x+2=15
El 2 ahora pasa a restar
15-2=13
x=13
Pamela <3