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2 =18
3 =133
4 =114
5 =7
Respuesta: 1223
2) 2x = 36
x = 36 : 2
x = 18
Respuesta: 18
3) x - 35 = 98
x = 98 + 35
x = 133
Respuesta: 133
4) 3x - 12 = 78
3x = 78 + 12
3x = 90
x = 90 : 3
x = 30
Respuesta: 30
5) 2x + 3 = 17
2x = 17 - 3
2x = 14
x = 14 : 2
x = 7
Respuesta: 7