SOLUTION: Solve the system of equations by the addition method. x-4y=-18 -6-4y=64

Algebra.Com
Question 34726This question is from textbook Prealgebra & Introductory Algebra
: Solve the system of equations by the addition method.


x-4y=-18
-6-4y=64
This question is from textbook Prealgebra & Introductory Algebra

Found 2 solutions by longjonsilver, Prithwis:
Answer by longjonsilver(2297)   (Show Source): You can put this solution on YOUR website!
please just clarify the second equation

Jon.

Answer by Prithwis(166)   (Show Source): You can put this solution on YOUR website!
-6-4y=64
=> 4y = -70
=> y = -35/2;
x-4y=-18
=> x = 4y-18 = 4(-35/2)-18 = -88;
Answer: (x,y) = (-88,-35/2)

RELATED QUESTIONS

Solve the system of equations by the addition method..All I have. x-4y=-18... (answered by hydromojo,ichudov)
solve each system of equations by the addition method 10/3x+4y=-4... (answered by ankor@dixie-net.com)
Solve the system of equations by the addition method. 4x+2y=2... (answered by rwm)
Solve the system of equations by addition method 4x+2y=4... (answered by unlockmath)
Solve system of equations by the addition method 5x=2+7y... (answered by ReadingBoosters)
Solve the system of equations using the addition method. x+y=5... (answered by jim_thompson5910)
Solve the system by the addition method: 2x=5 - 4y 4x - 4y=4. What is x? (answered by ewatrrr)
solve each system of equations by using the substitution method. {3x + 4y = 18 { (answered by Edwin McCravy)
18)Solve the system of equations by the addition method. x/4-y/12=-1 x/3+y/9=-2 (answered by mananth)