Question

y=2x-10 ; y=4x-8 ....substitution

Answer 1

set them equal, solve for \(x\)

Answer 2

i.e. solve
\[2x-10=4x-8\]

Answer 3

you get
\[-10=2x-8\]
\[-2=2x\]
\[x=-1\]

Answer 4

Not understanding