SOLUTION: If 2x+5y=21 and x+y=3 What is the value of x
Algebra
->
Linear-equations
-> SOLUTION: If 2x+5y=21 and x+y=3 What is the value of x
Log On
Algebra: Linear Equations, Graphs, Slope
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Linear-equations
Question 978862
:
If 2x+5y=21 and x+y=3 What is the value of x
Answer by
Alan3354(69443)
(
Show Source
):
You can
put this solution on YOUR website!
2x+5y=21 and x+y=3
------------
2x+5y=21
2x+2y=6 (2nd eqn times 2)
------------------------------ Subtract