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Given equations are,
------------(1)
---------(2)
The first equation is already solved for y,
Substitute for y in the second equation to find x.
(Second equation)
(Substitute )
(Add 5 to each side)
(Apply additive inverse property: )
(Apply additive identity property: )
(Add: )
(Divide each side by 3)
(Cancel common terms)
(Divide: )
Check the solution by graphing.
Draw a coordinate planes.
We can observe above graph,
The graphs appear to intersect at .
The system has one solution.
The solution is .
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