Question

Find the value of each expression if x = 12.

1) 3x
2) 2x - 4
3) 4x + 6

Answer 1

1) 3x=36

2) 2x-4=20

3) 4x+6=54

Explanation:

solution:

1) 3x

3x=3×12

36.

2)2x-4

2x-4=2×12

24

24-4

20.

3)4x+6

4x+6=4×12

48

48+6

54.