Question

Solver x+y=17 and x-2y= -1 by substitution method

Answer 1

Step-by-step explanation:

hope this is helpful for you

Answer 2

Answer:

x = 11 ; y = 6

Step-by-step explanation:

x + y  = 17 (1)

x - 2y = -1

x = 2y - 1 (2)

Substituting (2) in (1),

(2y - 1) + y = 17

2y + y - 1 = 17

3y = 17 + 1

3y = 18

∴ y = 6

Substituting y = 6 in (1),

x + 6 = 17

∴ x = 17 - 6

x = 11