Question

What statement makes the open

sentence 3x + 9 = 24 true?
O x = 3
O x = 5
0x=11
X = 15

Answer 1

x=5

Explanation:

3x+9=24

putting x=5

3(5)+9=24

15+9=24

24=24

statement x=5 makes the open sentence 3x+9=24 true.