If an answer for this question is not a whole number, enter it as a decimal.

the expression 220.03 - (55.27 + 115.32) represents a.

the expression 111.45 + (198.22 - 76.76) represents b.

the expression 28.15 - 202.98 - 108.46 represents c.

express all values in decimal form.

the numerical value of (a - b) + c is
.

the numerical value of c - (b + a) is
.

!

1. (A - B) + C = -233.84

2. C - (B + A) = -322.72

Step-by-step explanation:

A = 220.03 - (55.27 + 115.32)

A = 49.44

B = 111.45 + (198.22 - 76.76)

B = -10.01

C = 28.15 - 202.98 - 108.46

C = -283.29

To find : (A - B) + C =?

On substituting the above values:

(A - B) + C = -233.84

To find : C - (B + A) =?

On substituting the above values:

C - (B + A) = -322.72

{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