SmokeyRN SmokeyRN
  • 10-04-2018
  • Mathematics
contestada

Please help me explain why D has the solution x=-3 thank you

Please help me explain why D has the solution x3 thank you class=

Respuesta :

megzym11
megzym11 megzym11
  • 10-04-2018
The best way to solve these types of equations is to plug the solution in and see if it checks out.
1/2x+8=10
1/2*-3+8=10
-1.5+8=10
6.5 is not equal to 10
1/2(2*-3-6)=-6
1/2(-6-6)=-6
1/2*(-12)=-6
-6=-6
so d checks out

Answer Link

Otras preguntas

What number should replace the letter x in the "Seed color" row? 152 207 224 2,001
What is an armistice?
Select the correct answer. Thomas Paine was a political writer who fervently supported the American Revolution. In this excerpt from his popular work Common Sen
What is the surface area of the cube shown? sides are 6.5
which best describes the long-term impact of the fourteenth amendment
which equation represents a circle with a radius of 7 and a center with coordinates (-2,5)?
When plessy’s case made it to the supreme court what was the issue been argued
corporations are legally formed by filling articles of organization with the state in which the corporation be created True or False
$765.13 is deposited at the end of each month for 3 years in an account paying 2% Interest compounded monthly. Find the final amount of the account. Round to th
The Florida PanHanble has almost 60 different types of habitats. Bases on this fact, which statement best describes the Florida PanHandle? A. There is very litt