41.0k views
14 votes
Solve by substitution -2x+5y=-17 y=-4x+1

User Marouane
by
4.6k points

1 Answer

5 votes

Answer:

-2x +5(-4x+1) =-17

-2x -20x+5=-17

-22x+5=-17

-22x=-22

x=1

y=-4(1)+1

y=4+1

y=5

(1,5)

User Parenthesis
by
5.2k points