Question

Help please

Which equation shows the substitution method being used to solve the system of linear equations?

x + y = 6
x = y + 2

A.
x = (x – 6) + 2

B.
x + (y + 2) = 6

C.
(y + 2) + y = 6

D.
x + y = y + 2

Answer 1

C, you substituted the y in the x place

Answer 2

We can substitute y + 2 for 'x' in the first equation, giving us:

(y + 2) + y = 6