The equations are
and
.
Elimination Method:
\
----------------------> (Equation 1)
---------------------> (Equation 2)

Apply division property of equality: If a = b then
.
(Divide each side by 2)
(Cancel common terms)
(Divide:
)
To find the y, by substitute
in equation (2).

(Multiply:
)
Apply addition property of equality: If a = b then a + c = b + c.
\
(Add 2y to each side)
(Apply additive inverse property:
)
(Add 2 to each side)
Apply commutative property of addition:
.

(Apply additive inverse property:
)

Apply division property of equality: If a = b then
.
(Divide each side by 2)
(Cancel common terms)
The coordinate is (7, 11.5).
\The solution of the point is (7, 11.5).