Question

respondam por favor ​

Answer 1

a) 2x + 5 = 11.

2x = 11 - 5.

2x = 6.

x = 6/2.

x = 3.

b) 9 + 4 = x.

13 = x.

x = 13.

c) 6 + 3x = 18.

3x = 18 - 6.

3x = 12.

x = 12/3.

x = 4.