SOLUTION: Solve by substitution. 4x – 3y = 5 and x + 2y = 4
Algebra
->
Coordinate Systems and Linear Equations
-> SOLUTION: Solve by substitution. 4x – 3y = 5 and x + 2y = 4
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 1093181
:
Solve by substitution. 4x – 3y = 5 and x + 2y = 4
Answer by
Boreal(15235)
(
Show Source
):
You can
put this solution on YOUR website!
4x – 3y = 5 and x + 2y = 4; use the second, because x stands alone. x=-2y+4
4(-2y+4)-3y=5
-8y+16-3y=5
-11y=-11
y=1
x=2
(2, 1)
Substitute into both equations to show that it checks.