SOLUTION: trying to solve by substitution method, y= 2x + 8 y= -3 - 7

Algebra ->  Algebra  -> College  -> Linear Algebra -> SOLUTION: trying to solve by substitution method, y= 2x + 8 y= -3 - 7      Log On


   

Question 7781: trying to solve by substitution method,
y= 2x + 8
y= -3 - 7
Answer by arunpaul(104) About Me  (Show Source):
You can put this solution on YOUR website!
y= 2x + 8
y= -3 - 7
so y = -10
substituting the value of y in ist equation we have
10 = 2x+8
or 2x = 10-8 = 2
or x = 2/2 = 1
(Ans)