SOLUTION: x=-4y+4
5x-3y=-3 solve the system by the substitution method
Algebra.Com
Question 79469: x=-4y+4
5x-3y=-3 solve the system by the substitution method
Answer by sprolden(40) (Show Source): You can put this solution on YOUR website!
x=-4y+4 solve the system by the substitution method
5x-3y=-3
1- Substitute -4y+4 for x in the bottom equation.
5(-4y+4)-3y=-3
2- Multiply 5 times all terms in parenthesis.
-20y+20-3y=-3
3- Combine like terms.
-20y-3y+20=-3
-23y+20=-3
4- Subtract 20 from each side.
-23y=-23
y=1
5- Substitute 1 into either of the original equations. I'm going to use the first equation.
x=-4(1)+4
x=-4+4
x=0
6- The solutions are x=0 and y=1.
CHECK: 0=-4(1)+4 so 0=0
RELATED QUESTIONS
Solve the system by the substitution method.
x - 3y = 25
-6x - 4y... (answered by kietra)
solve the system by the substitution method
2x-3y=11... (answered by stanbon)
Solve the system by using the substitution method
x=1/4y-5/4
y=2/5x+14/5
(x,y)=( ,... (answered by checkley77)
/ = a fraction
1/5x + 1/3y = -8/15
1/5x + 4y = 34/5
solve the system by the... (answered by ankor@dixie-net.com)
Solve the system by the substitution method.
5x-2y=3... (answered by oscargut)
Solve the equation by-
1.substitution method
2.elementation method
3.cross... (answered by ewatrrr)
Solve the system by the method of substitution.
6x-3y-4=0... (answered by Alan3354)
Solve this system of equations by the substitution method
7x - 4y = 13 (1)
x=3 (answered by Coyote 10)
7x-4y=13
x=3 solve this system of equations by the substitution... (answered by boilpoil)