SOLUTION: how to solve system by elimination for example 2x-10y=24 -4x+10y=-8
Algebra
->
Coordinate Systems and Linear Equations
->
Linear Equations and Systems Word Problems
-> SOLUTION: how to solve system by elimination for example 2x-10y=24 -4x+10y=-8
Log On
Linear Solvers
Linear
Practice
Practice
Answers archive
Answers
Word Problems
Word
Lessons
Lessons
In depth
In
Click here to see ALL problems on Linear Equations And Systems Word Problems
Question 229760
:
how to solve system by elimination for example 2x-10y=24
-4x+10y=-8
Answer by
checkley77(12844)
(
Show Source
):
You can
put this solution on YOUR website!
2x-10y=24
-4x+10y=-8 add.
---------------
-2x=16
x=16/-2
x=-8 ans.
2*-8-10y=24
-16-10y=24
-10y=24+16
-10y=40
y=40/-10
y=-4 ans.
Proof:
-4*-8+10*-4=-8
32-40=-8
-8=-8