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RUDIKE [14]
3 years ago
5

Find the solutions of the system y = –2x – 1 and y = 3–x–1. What are the x-coordinates of the solutions? Choose all that apply.

1 0 -1 -2
Mathematics
2 answers:
Wittaler [7]3 years ago
5 0
Hello : 
<span>y = –2x – 1....(1)
 y = 3x–1.....(2)
by (1) and (2) :  3x-1 = -2x-1
5x =0
x =0 ....(</span><span>the x-coordinates of the solutions)</span>
grandymaker [24]3 years ago
5 0

Answer:

The x coordinate of the solution is 0

Step-by-step explanation:

y = –2x – 1 and y = 3x–1

Solve for x using substitution method

Replace y with -2x-1 in second equation

-2x-1 = 3x-1

Add 2x from both sides

-1= 5x - 1

add 1 on both sides

0=5x

Divide by 5 from both sides

x=0

The x coordinate of the solution is 0

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