SOLUTION: Instructions: Solve each system by the substitution method. What is the solution for 4x-y=-3 y=4x+3
Algebra
->
Coordinate Systems and Linear Equations
-> SOLUTION: Instructions: Solve each system by the substitution method. What is the solution for 4x-y=-3 y=4x+3
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-systems
Question 61027
:
Instructions: Solve each system by the substitution method.
What is the solution for 4x-y=-3
y=4x+3
Answer by
checkley71(8403)
(
Show Source
):
You can
put this solution on YOUR website!
Y=4X+3
4X-(4X+3)=-3
4X-4X-3=-3
4X-4X=-3+3
0=0 SHOWS THAT THESE TWO EQUATIONS ARE IDENTICAL
PROOF
4X-Y=-3
-Y=-4X-3
Y=4X+3 &
Y=4X+3