morenoangelica325 morenoangelica325
  • 14-10-2020
  • Mathematics
contestada

5a+8+(-2a)=-7
I need help with this question especially because of the parenthesis

Respuesta :

marlynn2002
marlynn2002 marlynn2002
  • 14-10-2020

Answer:

5a+8+(-2a)=-7

5a+8-2a=-7

5a-2a=-7-8

3a=-15

3a/3=-15/3

a=-5

Answer Link
EnergyStudies
EnergyStudies EnergyStudies
  • 14-10-2020

Answer:

a = -5

Step-by-step explanation:

Simplify both sides:

5a + 8 + (-2a) = -7

(5a + -2a) + 8 = -7

3a + 8 = -7

Start solving for a by subtracting 8 from both sides

3a+8-8 = -7 - 8

3a = -15

Next, divide both sides by 3

3a/3 = 1

-15/3 = -5

a = -5

Answer Link

Otras preguntas

Max is stacking logs at his campground for firewood. After his first load of logs, he has 12 logs on the stack. After his seventh load of logs, he has 60 logs o
Find the equation of the line. Use exact numbers y= ?x+ ?
HELP ILL GIVE YOU BRAINLIEST AND A FOLLOW what does x=?
Things between Jason and Ed were tense ever since Ed made the varsity basketball team and Jason did not. After class, Jason bumped into Ed in the hallway. Ed pu
Extra glucose is _____. stored in roots, stems, and leaves stored inside chloroplasts changed back into carbon dioxide released into the environment
After World War I, Europe experienced a crippling economic crisis. In an effort to prevent an economic downturn after WWII, the ____ offered European countries
Andrea is making a poster to show how the nervous system uses signals to send information through the body. These signals are sent through nerves. What parts sh
Write the hourly wage 15 dollars an hour as a fraction
Help me please i will mark brainliest
PLEASE HELP I HAVE 40 min