korbinwilkinsen korbinwilkinsen

08-05-2017
Mathematics

contestada

please help!

What is the value of x in the solution to the following system of linear equations?

y=x-1
y=2x+1

–3
–2
–1
0

Respuesta :

Destroyer123skate Destroyer123skate

08-05-2017

I think is 3- i hope this help.

Answer Link

apologiabiology apologiabiology

09-05-2017

since both equal y
x-1=y=2x+1
x-1=2x+1
minus x both sides
-1=x+1
minus 1 both sides
-2=x

value of x is -2

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