5 X + 4 = 49 3 X + 1 = 31 7 X + 1 = 36 9 X + 1 = 91
Respuestas a la pregunta
Respuesta:
5x+4=49
5x=49-4
x=45/5=9
3x+1=31
3x=31-1
x=30/3=10
7x+1=36
7x=36-1
x=35/7=5
9x+1=91
9x=91-1
x=90/9=10
Hola espero estes Bien =)
5 X + 4 = 49 5x= 49 – 4 5x= 45 x= 45/5 x= 9
3 X + 1 = 31 3x = 31 – 1 3x=30 x=30/3 x=10
7 X + 1 = 36 7x = 36 – 1 7x = 35 x = 35/7 x = 5
9 X + 1 = 91 9x = 91 – 1 9x = 90 x = 90/9 x = 10