36

Step-by-step Answer
 PAGE: 347 SET: Exercises PROBLEM: 36
Please look in your text book for this problem Statement

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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