4. Find the value of x.
A 7
B -7
C 3
D 3.5

Answer:
l got 7 sorry if it is not the answer
Step-by-step explanation:
2x+12=5x-9 two will come to the other side n become 5x-2x=3x then 9 will go to the other side n become 12+9=21
3x=21 then divide both sides by 3