Question

3 . (x + 2) − 3 = 2 . 12
2 . x + 4 = 3 . 4
7 . ( 2x + 3) = 35​

Answer 1

Explicación paso a paso:

3. (x + 2) − 3 = 2 . 12

x+2-2=9-2

x = 7

2. x + 4 = 3 . 4

2x+4-4=12-4

2x=8

x = 4

7. ( 2x + 3) = 35​

2x+3-3=5-3

2x=2

x = 1