Question

2
$2x + 4 = 16$
$3 \times = 15$
$2 \times = 10$
​

Answer 1

2x + 4 = 16

2x = 16 - 4

2x = 12

x = 12/2

x = 6

3x = 15

x = 15/3

x = 5

2x = 10

x = 10/2

x = 5