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shtirl [24]
3 years ago
11

2x - y = 3 y = -x What’s the value of x?

Mathematics
2 answers:
pashok25 [27]3 years ago
6 0

Answer:

X = 1 which means Y = -1

Step-by-step explanation:

2x - y = 3                    

y = -x                              

Sub for y

2x + x = 3

Add the x's

3x = 3

Divided by 3

x = 1

zlopas [31]3 years ago
3 0

Answer:

These are simultaneous equations.They have to be solved like this:

2x-y=3 -y=3-2x 2x-3= -x

y= -x y= -(3-2x) 3x= 3

y=2x-3 x=1

Step-by-step explanation:

The value of x equals to 1

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Answer:

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