Examples of Math Problems
examples of math problems that I like, solved, etc.
Sunday, August 25, 2013
Use the method of substitution to solve the system of linear equations. 2x-y=5, 5x-2y=13
1) 2x-y=5
2) 5x-2y=13
5x-2(2x-5)=13
x=3
y=2(3)-5=1
solution: (3,1)
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