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У = -x + 2 y = 2x + 5
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12 votes
12 votes
У = -x + 2
y = 2x + 5

User Ernesto Stifano
by
2.6k points

2 Answers

26 votes
26 votes

Answer:

x= -1

Explanation:

-x+2= y =2x+5

-x+2=2x+5 /+x

2=3x+5 /-5

-3=3x

x= -1

User Kutty
by
3.0k points
15 votes
15 votes
Use substitution
-x + 2 = 2x + 5
2 = 3x + 5
-3 = 3x, x = -1
Plug into any equation to find y
y = -(-1) + 2
y = 1 + 2 = 3

Solution: x = -1, y = 3
User Lazhar
by
2.8k points
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