Solve {(x,+,3y,=,8),(2y,=,x,+,6):}

Solve {(x,+,3y,=,8),(2y,=,x,+,6):}

Question
Systems of equations
asked 2020-12-27
Solve {(x,+,3y,=,8),(2y,=,x,+,6):}

Answers (1)

2020-12-28
{(x,+,3y,=,8),(2y,=,x,+,6):} Rewrite equation (2) in standart form 2y – x = 6 Add equation (1) and (3) 5y = 14 Solve for y Y = 14/5 Substitute y = 14/5 into equation (1) and solve for x x = 3(14/5) = 8 x + 42/5 = 8 x = 8 – 42/5 x = (40 – 42)/5 x = -2/5 Thus, the solution is (-2/5, 14/5)
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