Seudónimo
Seudónimo
02-02-2016
Mathematics
contestada
Solve 2a + 21 = 8a - 9, step by step
Respuesta :
Аноним
Аноним
02-02-2016
2a + 21 = 8a - 9
Combine like terms.
2a + 21 = 8a - 9
-2a -2a
21 = 6a - 9
+9 +9
30 = 6a
6a/6 = 30/6
a = 5
Answer: a = 5
Answer Link
VER TODAS LAS RESPUESTAS ( 73+ )
Otras preguntas
) Finding a win-win solution that allows parties who are involved to have their goals achieved is an example of a. accommodation b. collaboration c. team bui
I need help with both questions please: Part A: A coffee shop uses 4 L of milk every day. If there are 15 L of milk in the fridge, after how many days will more
Before the industrial revolution, the united states became resentful of england for not sharing its technology with the united states. true or false.
What is the defination of psychosis? user: what is the scientific explaination for hullinications?
when did alexander the great die???
What is the moral of “the wife of bath's tale”? a. men should never let women gain the upper hand. b. women make wiser decisions than men in all matters. c.
Which sentence uses commas correctly? A. No, I haven’t started, reading that book. B. No, I haven’t started reading that book. C. No I haven’t started
QUICKLY HELP! Solve for t. −32=4t What is the answer? a. −8 b. −18 c. 28 d. 36
What are earthquakes
Which of the following would cause the mass of a wooden block to increase? Taking it to the moon Putting it in the freezer Both a and b None of the above