SOLUTION: what is the solution for y=x-2 2x+2y=4
Algebra
->
Expressions-with-variables
-> SOLUTION: what is the solution for y=x-2 2x+2y=4
Log On
Algebra: Expressions involving variables, substitution
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Expressions-with-variables
Question 423222
:
what is the solution for y=x-2 2x+2y=4
Answer by
mananth(16946)
(
Show Source
):
You can
put this solution on YOUR website!
x-y= 2 .............1
2x+2y=4
/2
x+y=2 .............2
x-y= 2
x+y= 2
Add the two equations
2x=4
/2
x=2
plug value of x in (1)
x-y= 2
2-y= 2
y=0