SOLUTION: Use the elimination method to solve the system of equations.
a+9b=23
a+2b=2
Algebra.Com
Question 682433: Use the elimination method to solve the system of equations.
a+9b=23
a+2b=2
Found 2 solutions by mananth, lynnlo:
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
1 a + 9 b = 23 .............1
1 a + 2 b = 2 .............2
Eliminate y
multiply (1)by -2
Multiply (2) by 9
-2 a -18 b = -46
9 a + 18 b = 18
Add the two equations
7 a = -28
/ 7
a = -4
plug value of a in (1)
1 a + 9 b = 23
-4 + 9 b = 23
9 b = 23 + 4
9 b = 27
b = 3
x= -4
y= 3
m.ananth@hotmail.ca
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
b=3,a=-4
RELATED QUESTIONS
a+9b=23
a+2b=2
Use the elimination method to solve the systems of... (answered by lynnlo,Alan3354)
Use the elimination method to solve the system of equations
a+8b=3... (answered by art123)
use the elimination method to solve the system of equations
a + 6b = -1
a + 2b =... (answered by Alan3354)
a+9b=22
a+3b=4
Use the elimination method to solve the system of... (answered by Alan3354)
use the elimination method to solve the system of equations.
a + 6b = 6
a + 4b =... (answered by MathLover1)
a+8b=8
a+3b=-2
Use the elimination method to solve system of equations.... (answered by mananth,waynest)
Use the elimination method to solve the system of equations
a+7b=15... (answered by Alan3354)
use the elimination method to solve the system of equations
a+8b=1... (answered by checkley79)
use the elimination method to solve the system of equations
a+8b=12... (answered by Alan3354)