Solve the system: {(3x,+,y,=,9),(2x,-,y,=,1):}

Question
Systems of equations
asked 2020-12-28
Solve the system: {(3x,+,y,=,9),(2x,-,y,=,1):}

Answers (1)

2020-12-29

{(3x,+,y,=,9),(2x,-,y,=,1):} Add equation (1) and (2): 5x = 10 x = 2 Substitute x = 2 into equation (1) and solve for y: 3 xx 2 + y = 9 6 + y = 9 y = 9 – 6 y = 3 Thus, the solution is (2,3) image

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