using the substitution method how do you solve y=-1/3x y+2x=5

Answer 1

y=(-1/3)x

y+2x=5

(-1/3)x+2x=5

(-1/3)x+(6/3)x=5

(5/3)x=5 Multiply with 3

5x=15 Divide with 5

x=15/5=3

y=(-1/3)x

y=(-1/3)*3= -1

x= 3 y= -1