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).