Respuesta:
Explicación paso a paso:
3(x+2)-(12)=0
3x+6-12=0
3x-6=0
3x=6
x=6/3
x=2
1)
[tex]3( x + 2) = 12 \\ x + 2 = 4 \\ x = 4 - 2 \\ x = 2[/tex]
2)
[tex](12x - 8) \frac{.}{.} 2 = 14 \\ \frac{12x - 8}{2} = 14 \\ 6x - 4 = 14 \\ 6x = 14 + 4 \\ 6x = 18 \\ x = 3[/tex]
3)
[tex](2x - 5).4 = 20 \\ 8x - 20 = 20 \\ 8x = 40 \\ x = 5[/tex]
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Respuesta:
Explicación paso a paso:
3(x+2)-(12)=0
3x+6-12=0
3x-6=0
3x=6
x=6/3
x=2
Respuesta:
1)
[tex]3( x + 2) = 12 \\ x + 2 = 4 \\ x = 4 - 2 \\ x = 2[/tex]
2)
[tex](12x - 8) \frac{.}{.} 2 = 14 \\ \frac{12x - 8}{2} = 14 \\ 6x - 4 = 14 \\ 6x = 14 + 4 \\ 6x = 18 \\ x = 3[/tex]
3)
[tex](2x - 5).4 = 20 \\ 8x - 20 = 20 \\ 8x = 40 \\ x = 5[/tex]