SOLUTION: X=y-7 X+6=2y-6

Algebra ->  Expressions-with-variables -> SOLUTION: X=y-7 X+6=2y-6      Log On


   

Question 1087433: X=y-7
X+6=2y-6
Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
.
Substitute x = y-7 from the first equation into the second equation.


You will get a single equation for only one unknown

(y-7) + 6 = 2y - 6.


Simplify and solve for y.