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 did Alexander the Great rise to power and how did he spread Greek culture to other lands?
There is an inverse relationship between x and y. If y is when x is 3, what is x when y is 9? 3 5
Rico is making4 batches of mexican rice. each batch needs 2/3cup of corn. He only has a1/3-cup measure.How manytimes must Rico measure 1/3cup of corn to have en
There is an inverse relationship between x and y. If y is when x is 3, what is x when y is 9? 3 5
What is a group of organisms that look alike and can reproduce among their selfs ?
when we look at a leaf, we see the colors of light that are reflected off its surface. how does the relatively low flow of oxygen in green light?
Which of the following is formed at a collision zone?Continental rift valleyVolcanic island chainMountain rangeDeep-ocean trench
Why did president Washington want the United States to remain neutral
Why were the 1920's considered the best and worst of times?
The gases in the air attracted to earth by gravity form layers called the ____