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coldgirl [10]
3 years ago
12

Virginia es 8 años menor que Sonia y hace 10 años la edad de Virginia era 3/4 de la edad que Sonia tenía ¿cuál es la edad actual

de Sonia?​
Mathematics
1 answer:
frez [133]3 years ago
4 0

Answer: Can you translate for me?

Step-by-step explanation:

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What is the value of x when -25(x - 4) = -55(x - 10) ?
Free_Kalibri [48]

Simplify both sides of the equation

-25(x-4)=-55(x-10)

(-25)(x) + (-25)(-4)=(-55)(x) + (-55) (-10)

Distribute

-25x+100=-55x+550

Add 55x  to both sides

-25x+100+55x=-55x+550+55x

30x+100-100=550-100

subtract 100 from both sides

30x+100-100=550-100

30x=450

divide both sides by 30

30x/30=450/30

x= 15

The value of x is 15


I hope that's help you my friend !

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The null and alternative hypothesis is given by

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The P-value is given by

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