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 ( 57+ )
Otras preguntas
A city in the Middle East that is sacred to Jews, Arabs, and Christians is __________.
First, think about what you would like to be doing twenty years hence. Then, find out what education you must have to achieve this goal.a.Fragmentb.Run-onc.Corr
Write the word form and tell the value of the underlined digit. 9,000,009 the first 9 is underlined
What is a gradual increase in average global temperature called?
A bank receives 3,450 $100 bills and puts them into stacks of 75 bills each. How many stacks are there?
What is a gradual increase in average global temperature called?
Kelly and 23 friends go roller skating.They pay a total of 186 dollars. About how much does it cost for one person to skate?
What are the layers of the atmosphere from closest to farthest from Earth's surface?
When the body receives stimuli, which structure typically processes the stimuli?
First, think about what you would like to be doing twenty years hence. Then, find out what education you must have to achieve this goal.a.Fragmentb.Run-onc.Corr
