Which of the following expressions are equivalent to -8-(-1) - 5−8−(−1)−5minus, 8, minus, left parenthesis, minus, 1, right parenthesis, minus, 5? Choose 2 answers:

(Choice A)

A

-8 - 1 -5−8−1−5minus, 8, minus, 1, minus, 5

(Choice B)

B

-8+1-5−8+1−5minus, 8, plus, 1, minus, 5

(Choice C)

C

-8+(-1)+(-5)−8+(−1)+(−5)minus, 8, plus, left parenthesis, minus, 1, right parenthesis, plus, left parenthesis, minus, 5, right parenthesis

(Choice D)

D

(8+1)-5(8+1)−5left parenthesis, 8, plus, 1, right parenthesis, minus, 5

(Choice E)

E

-(8-1+5)−(8−1+5)

ANSWER QUICK PLEASE

{x = -1/2 ,   y = -1

step-by-step explanation:

solve the following system:

{2 x + y = -2

{10 x - 3 y = -2

in the first equation, look to solve for y:

{2 x + y = -2

{10 x - 3 y = -2

subtract 2 x from both sides:

{y = -2 x - 2

{10 x - 3 y = -2

substitute y = -2 x - 2 into the second equation:

{y = -2 x - 2

{10 x - 3 (-2 x - 2) = -2

10 x - 3 (-2 x - 2) = (6 x + 6) + 10 x = 16 x + 6:

{y = -2 x - 2

{16 x + 6 = -2

in the second equation, look to solve for x:

{y = -2 x - 2

{16 x + 6 = -2

subtract 6 from both sides:

{y = -2 x - 2

{16 x = -8

divide both sides by 16:

{y = -2 x - 2

{x = -1/2

substitute x = -1/2 into the first equation:

{y = -1

{x = -1/2

collect results in alphabetical order:

answer:   {x = -1/2 ,   y = -1

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