Question

X+ 9 = 45
X-12 = 36
4X= 52
X= 12
4 AIUDA PLISSS ​

Answer 1

Respuesta:

Espero que te sirva saludos :3

Explicación paso a paso:

X+ 9 = 45

x = 45 - 9

x = 36

X - 12 = 36

x = 36 + 12

x = 48

4x = 52

x = 52 ÷ 4

x = 13

4x = 12

x = 12 ÷ 4

x = 3