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Question
2x-y=3
3x+3y=5
solve the system is it no solution, infinite solution or unique solution

Answer
Using the 1st equation, it is seen that y = 2x - 3.
Putting that in the 2nd equation gives 3x + 3(2x-3) = 5.
That is, 3x + 6x - 9 = 5, so 9x = 14.
That says x = 14/9.

Using 2x - y = 3, that is 28/9 - y = 27/9, so y = 1/9.

Checking this by using the 2nd equation gives 3x + 3x = 42/9 + 3/9 = 45/9 = 5,
and that is correct.  

Algebra

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Scott A Wilson

Expertise

Any algebraic question you've got. That includes question that are linear, quadratic, exponential, etc.

Experience

I have solved story problems, linear equations, parabolic equations. I have also solved some 3rd order equations and equations with multiple variables.

Publications
Documents at Boeing in assistance on the manufacturiing floor.

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MS at math OSU in mathematics at OSU, 1986. BS at OSU in mathematical sciences (math, statistics, computer science), 1984.

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Both my BS and MS degrees were given with honors.

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Students in a wide variety of areas since the 80's; over 1,000 of them have been in algebra.

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