Question

6y-5x=5 and x=2y+7 using substition in linear functions

Answer 1

6y-5x=5 x=2y+7

x=2y+7 x=2(-10)+7

6y-5(2y+7)=5 x= -20+7

6y-10y-35=5 x= -13

6y-10y=5+35

-4y=40

y= -40/4

y=-10