Answer to Question #15803 in Abstract Algebra for Nathan

Abstract Algebra

Question #15803

3x+2y=13
2x-y=4

Expert's answer

3x+2y=13
2x-y=4

3x+2y=13
y=2x-4

3x+2(2x-4)=13
y=2x-4

3x+4x-8=13
y=2x-4

7x=21 =>x=3
y=2x-4 => y=6-4=2

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