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.

hello! ?

(3, 2)

Step-by-step explanation:

What you do is you take the first problem and move the -2x to the other side with the y to get y+2x=8.

The next thing you do is you substitute the second problem into the y of the first problem like this: (x-1)+2x=8.

The next thing that you do is you add the x's together to get 3x-1=8.

After that, you will add the 1 to both sides to get 3x=9.

The last thing you will do is divide 3 on both sides to get x=3.

How you will solve the y is you take the 3 that you just found out is your x and pug it into the second equation to get y=3-1.

y=2.

(3, 2) is your answer.

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