Respuesta:
Explicación paso a paso:
2(a-4)+5=a+11
2a-8+5=a+11
2a-3=a+11
2a-a=11+3
a=14
-------------------
3(a-4)+4=2(a-1)
3a-12+4=2a-2
3a-8=2a-2
3a-2a=2+8
a=10
8(x-2)=6(x+4)
8x-16=6x+24
8x-6x=24+16
2x=40
x=20
------------------------
χ²-4x+3=0
x -1
x -3
(x-1)=0 (x-3)=0
x1=1 x2=3
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Verified answer
Respuesta:
Explicación paso a paso:
2(a-4)+5=a+11
2a-8+5=a+11
2a-3=a+11
2a-a=11+3
a=14
-------------------
3(a-4)+4=2(a-1)
3a-12+4=2a-2
3a-8=2a-2
3a-2a=2+8
a=10
-------------------
8(x-2)=6(x+4)
8x-16=6x+24
8x-6x=24+16
2x=40
x=20
------------------------
χ²-4x+3=0
x -1
x -3
(x-1)=0 (x-3)=0
x1=1 x2=3