Question

Solve the following systems of equations. 2x + y = 3 and y= -5x + 5

Answer 1

y=-5x+5...(1)

2x+y=3...(2)

subt (1)into (2)

2x+(-5x+5)=3

2x-5x-5=3

2x-5x=3+5

-3x=8

divide by -3

x=-8/3

subt 2 into 1

y=-5(-8/3)+5

y=55/3