Substitution Method:
\The equations of linear system are
.
The equation 2:
is already solved for x.
Substitute the value of
in the equation 1:
and solve for y.

Apply distributive property:
.


.
Subtract 15 from each side.
\

Divide each side by 44.
\
.
Substitute the value of
in either of the original equations and solve for x.
The equation 2:
.
\


.
The solution
.