Question

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

Answer 1

I think is 3- i hope this help.

Answer 2

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