Question

me ayudan plissss no entiendo ​

Answer 1

Respuesta:

RESTAS

9 - x = 12

x = 12 + 9

x = 21

-5 - x = -15

x = -15 +(-5)

x = -10

-5 - x = 4

x = 4 +(-5)

x = -1

7 - x = -14

x = -14 + 7

x = -7

PRODUCTOS

-5x = -35

x = -35/-5

x = -7

7x = -42

x = -42/7

x = -6

-9x = 72

x = 72/-9

x = -8

6x = 48

x = 48/6

x = 8

SUMAS

7 + x = -18

x = -18 - 7

x = -11

-11 + x = 15

x = 15 +(-11)

x = 4

9 + x = -18

x = -18 - 9

x = -9

-3 + x = -15

x = -15 +(-3)

x = -8