Answer:
oops this isn't the answer but hey L homie lol swaggy anyways lemme try and help
Answer: option A, 3x + 5
first, i rewrote it and removed the parentheses.
2x - 4 + x + 9
then, i collected the like terms.
3x + 5
it is 21 because 9+10=19+2=21-10=11+10=21 its magic
Step-by-step explanation:
128=8j; divide both sides by 8
j=16