Using substitution for systems of equations, solve, show work. y= -2x+16 -3x+5y= -11

How do i do this activity, is appreciated

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3