(08.03)consider the following pair of equations:

y = −2x + 8
y = x − 1

explain how you will solve the pair of equations by substitution. show all the steps and write the solution in (x, y) form.

Step-by-step explanation:

y = -2x + 8

y = x - 1

solve by substitution

so y = -2x + 8so sub -2x + 8 in for y back in the OTHER equation

-2x + 8 = x - 1 add 2x to both sides

-2x + 2x + 8 = x + 2x - 1combine like terms

8 = 3x - 1add 1 to both sides

8 + 1 = 3x- 1 + 1combine like terms

9 = 3x now divide both sides by 3

9/3 = (3/3)xsimplify

3 = 1xwhich is the same as 3 = x

so now that we know x is 3, sub that back into either of ur original equations to find y

y = x - 1

y = 3 - 1

y = 2

lets check it(3,2)

y = -2x + 8                          y = x - 1

2 = -2(3) + 8                       2 = 3 - 1

2 = -6 + 8                          2 = 2 (correct)

2 = 2 (correct)

so ur solution is (3,2) <

12/11c

or

12

c

11

answer: there are x+184 pages in olivia's book.

step-by-step explanation:

let the total number of pages in the book which olive has already read be x.

then if olive has 184 pages left to read, then the total number of pages are in olive's book= pages she has read+pages she has left to read

therefore, the total number of pages in olivia's book=

hence, there are x+184 pages in olivia's book.