Question

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)}

Answer 1

5x+2y=7
y=x+1

substitute y from second equation into first equation to get x

Answer 2

I agree

Answer 3

& after getting x

place the value of x in second equation to get y