3 years ago

Julius noticed that if he takes the opposite of his age and adds 50, he gets the number 30. How old is Julius?

1 answer:

Over [174]3 years ago

3 0

Julius is 20 year old

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just olya [345]

4x-2+1=3x+5

Subtract 3x from both sides

x-2+1=5

Same as

x-1=5

Add 1 to both sides

x=6

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4 years ago

sveta [45]

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3 years ago

mamaluj [8]

y = -5x/3 + 10/3

y = 2x/3 - 3

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3 years ago

Flauer [41]

Answer:

Utiliza una cifra que pueda ser resultado de dividir 100:5 y eso a su vez nos dará el valor que debe aumentar en la escala

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Naily [24]

Answer:

$f^{-1}(x)=\dfrac{2x+6}{5-x}$

Step-by-step explanation:

Swap x and y, then solve for y.

$x=\dfrac{5y-6}{y+2}\\\\x(y+2)=5y-6\\\\xy+2x=5y-6\\\\2x+6=5y-xy\\\\y=\dfrac{2x+6}{5-x}\\\\f^{-1}(x)=\dfrac{2x+6}{5-x}$

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4 years ago