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3 votes
I need x+y=5 and y=2x-4solved algebraically

User Syjin
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2 Answers

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X=3, y=2 solved algebraicly
User Luiz
by
3.5k points
4 votes

Answer:

x = 3; y = 2

Explanation:

x + y = 5

y = 2x - 4

Isolate the y in the first equation

y = 5 - x

y = 2x - 4

Substitute the values

5 - x = 2x - 4

Isolate the Variable

9 = 3x

Simplify

3 = x

Plug that into the first equation

3 + y = 5

Subtract 3 from both sides

y = 2

User Samturner
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