SOLUTION: {{{2x+6y=28}}} {{{-7x+y=34}}} solve by the substitution method and find the solution as an ordered pair
Algebra
->
Expressions-with-variables
-> SOLUTION: {{{2x+6y=28}}} {{{-7x+y=34}}} solve by the substitution method and find the solution as an ordered pair
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 443611
:
solve by the substitution method and find the solution as an ordered pair
Answer by
rfer(16322)
(
Show Source
):
You can
put this solution on YOUR website!
y=7x+34
2x+6y=28
2x+6(7x+34)=28
2x+42x+204=28
44x=-176
x=-4
----------------
2*-4+6y=28
-8+6y=28
6y=36
y=6
---------------
-7*-4+6=34