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s344n2d4d5 [400]
3 years ago
11

Solving systems of equations algebraically. y = x + 2 y= 3x -2 And SHOW YOUR WORK!!!!

Mathematics
1 answer:
matrenka [14]3 years ago
6 0

Answer:

x = 2

y = 4

Step-by-step explanation:

<em><u>Since it gives you the "value" of y, just plug one of them into an equation:</u></em>

y = x + 2

3x - 2 = x + 2

<em><u>Now, subtract x from both sides:</u></em>

3x - 2 = x + 2

-x         - x

__________

2x - 2 = 2

<em><u>Then, add 2 to both sides:</u></em>

2x - 2 = 2

    + 2  + 2

________

2x = 4

<em><u>Finally, divide both sides by 2:</u></em>

2x = 4

x = 2

<em><u>Now to get y, just plug in 2 for x in an equation:</u></em>

y = x + 2

y = 2 + 2

y = 4

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