jopp850
contestada

5x + 2y =7
y=x+1
What is the solution set of the given system?
{(5/7, 12/7)]
{(12/7, 5/7)
{(9/7, 16/7)]
{(16/7, 9/7)

Respuesta :

ProfessorAlvarez

[tex]\text{Solve the systems of equations:}\\\\5x + 2y =7\\\\-2(y=x+1)\\\\2y =-5x+7\\\\-2y=-2x-2\\\\0=-7x+5\\\\-5=-7x\\\\5/7=x\\\\\text{Plug answer into x variable in one of the equations and solve}\\\\y=5/7+1\\\\y=12/7\\\\\boxed{(5/7, 12/7)}[/tex]

Otras preguntas