SOLUTION: Slove the system of equatoins by addition method
-4x=3y-10
-8x-10y= -28
Algebra.Com
Question 242836: Slove the system of equatoins by addition method
-4x=3y-10
-8x-10y= -28
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
-4x=3y-10 multiply by -2 & add.
-8x-10y=-28
8x+6y=20
--------------------
-4y=-8
y=-8/-4
y=2 ans.
-4x=3*2-10
-4x=6-10
-4x=-4
x=-4/-4
x=1 ans.
Proof:
-8*1-10*2=-28
-8-20=-28
-28=-28
RELATED QUESTIONS
Slove the system of equations by the addition method
Find x & y
-3x = -5y-12
6x+3y = (answered by checkley77)
slove the system by the addition method
x+4y=5... (answered by nyc_function)
slove the system by the addition method
x+4y=5... (answered by Edwin McCravy)
Solve the system of equations by using the addition method:
4x + 3y = - 5
-4x - 10y = (answered by Alan3354)
Solve the following system of linear equation addition method
8x+3y=-5... (answered by 20800563)
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 the systems of equations by the addition method
4x + 3y = -5
-4x - 10y = 21
(answered by Alan3354)
Solve the following system by the addition method.
8x+3y=8
8x-5y=8
x=... (answered by mananth)