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5x+ 32=120-8+3x
5x+32=112+3x
5x-3x=112-32
2x=80
5x + 32 = 120 - 8 + 3x
5x + 32 = 3x + 112
5x - 3x = 112 - 32
2x = 80
x = 80/2
x = 40
Respuesta.
x = 40
VERIFICAMOS LA SOLUCIÓN
5x + 32 = 120 - 8 + 3x
5 (40) + 32 = 120 - 8 + 3 (40)
200 + 32 = 120 - 8 + 120
232 = 240 - 8
232 = 232
La solución es correcta!!!