Algebra
posted by Chris .
Solving system of linear equations by using the apropiate method name the method and the x,y coordinates
1)X=4y+8
2x8y=3
2)3x7y=6 elimination method
2x+7y=4 (2,0)
3)5x2y=12 elimination method
3x2y=2 (7,23/2)
4)9x8y=42 elimination method
4x+8y=16 (2,3)
5)X=4y+8 substitution method
2x8y=3 (3,1)

#2 elimination
3x7y=6
+2x+7y=4
________
5x =10
x =2
if x is 2, you plug it in
2(2)+7y=4
7y=44
y=0
(2,0) 
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this.
4x + 4y = 36
4x + 4y = 12 
X=4y+8

x4y=3
2x+8y=9
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