Respuesta :

SparklyAnita

0.25(x+40)=4+0.75(x-8)

0.25x +(40*0.25)=4+0.75x -0.75(8)

0.25x + 10=4+0.75x-6

0.25x+10=0.75x-2

10+2=0.75x-0.25x

12=0.5x

x=24

Yang100

Answer:

24

Step-by-step explanation:

Let 0.25=1/4 and 0.75=3/4.

1/4(x+40)=4+3/4(x-8)

1/4x+40/4=4+3/4x-24/4

1/4x+10=4+3/4x-6

1/4x-3/4x+10=4-6

-2/4x+10=-2

-1/2x=-2-10

-1/2x=-12

1/2x=12

x=12/(1/2)

x=(12/1)(2/1)

x=24/1

x=24

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