nunezallen19 nunezallen19
  • 14-03-2021
  • Mathematics
contestada

Solve -a + 7 = 2a - 8. a=5 D a= 15 a -3 = B a

Respuesta :

awhkass
awhkass awhkass
  • 14-03-2021
We want to solve for a
-a + 7 = 2a - 8
we will add 8 to both sides and simply to
-a + 15 = 2a
We will then add a to both sides and simply to
15 = 3a
We then divide by 3 on both sides to get
a=5
Answer Link

Otras preguntas

Based on his observations of cats in puzzle boxes, thorndike concluded that ________
What happen when Gideon army blew their trumpet and waves their torches?
In an oxidation–reduction reaction, what happens to the electrons in the oxidation process? Electrons are bonded. Electrons are gained. Electrons are lost. E
Which of these symptoms is are short-term effect from tobacco use? Check all that apply. a buildup of tooth decay a large mass on a lung lobe a decrease in gluc
if xy=c^2, prove that x^2 dx/dy+c^2=0
Transnational elite engaged in a homogenized culture at a higher plane of consumption (french wines instead of budweiser, international cuisine instead of mcdon
there were 629,000 women motorcyclists, up from 447,000 eight years ago. what's the percentage of increase?
Read the following excerpt from the article "Vision, Voice and the Power of Creation: An Author Speaks Out," by T. A. Barron, and answer the question that follo
What are the highest points on a standing wave called
Water shape creates a positive and negative side to it. This shape then creates what characteristics of water? A. Cohesion & adhesion B. Expansion when fre