Question

calcula la incognita de cada ecuacion
1. x + 18 = -23 + 9
x = 23 + 9 - 18
x = 9 - 41
x = -32

2. x - 31 + 14 = -23 + 15
x = -23 + 15 + 31 - 14
x = 46 -37

Answer 1

2. x - 31 + 14 = -23 + 15

x = -23 + 15 + 31 - 14

x = 46 -37

x = 9