Seudónimo Seudónimo
  • 15-02-2017
  • Mathematics
contestada

Which equation has solution x = -3?

A)
2x - 7 = -1


B)
3x + 8 = 1


C)
1
2
x + 8 = 10
Eliminate

D)
1
2
(2x - 6) = -6

Respuesta :

garydesir1
garydesir1 garydesir1
  • 23-03-2017
Hi Brainiac

1/2(2x-6) = -6
We need to distribute
(1/2)(2x) + (1/2)(-6) = -6
2x/2 + -6/2 = -6
x - 3 = -6
x = -6 + 3
x = -3
Thus, The answer is D

I apologize for the late answer :(
Answer Link

Otras preguntas

How does chronological thinking help a historian when studying history?
The events in the battle of bunker hill in a flowchart and four important details of the events
if the diameter of a wheel os 0.5meters, then the radius of the wheel is how many centimeters?
why is it important that a thesis be supported with evidence?
Jack is installing a 100-foot shortwave radio antenna. He has cemented the base in concrete and has cemented an anchor hook 10 feet from the base. How long will
. If x = 5 units, y = 17 units, and z = 4 units, then what is the surface area of the rectangular prism shown above? A. 340 units2 B. 346 units2 C.
You and your friends are trying to decide on a movie. You can choose from eight movies, five show times, and three locations. How many combinations are possible
one of the benefits of career planning as a young adult is?
sentence using the two words plain and stain
Which is the graph of f(x)=(x-1)(x+4)