Question

16 + x = 12

7 + 2x =27

2 + p = 7​

Answer 1

Explicación paso a paso:

1)

16 + x = 12

x = 12 - 16

x = - 4

2)

7 + 2x = 27

2x = 27 - 7

2x = 20

x = 20 ÷ 2

x = 10

3)

2 + p = 7

p = 7 - 2

p = 5

a eso te refieres ???