Respuesta :

1., simplify
x+6=x+6
0=0
true
x's cancel out eventually so therefor there are infinite soluions
C

2.
1/8x=12
x=96
A 1 solution
A


3. times 3 both sides
3x+3=3x+3
0=0
infinite solitons
C


4.  7x+9=7x+5
9=5
false
no soluiton


1.C
2.A
3.C
4. B

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