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2x - y - 4 = 0

3x + y - 9 = 0



What is the solution set of the given system?

User PandaNL
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1 Answer

2 votes

Answer:


((13)/(5);(6)/(5)).

Explanation:


1)\left \{ {{5x=13} \atop {y=2x-4}} \right. \ 2)\left \{ {{x=(13)/(5) } \atop {y=(6)/(5) }} \right.

short explanation: 1) to add the 1st equation to the 2d; 2) to calculate the value of 'x', then to substitute x=13/5 into the 2d equation and calculate the value of 'y'.

User Brad Solomon
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