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3 years ago

2.5(10x + 8)+3x simplified

Mathematics

1 answer:

PtichkaEL [24]3 years ago

5 0

Answer:

25+20+3x

45+3x

Step-by-step explanation:

i think

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What is 2x+y=4 and 2x+y=-1

butalik [34]

Answer:

{x,y} = {5,6}

Step-by-step explanation:

// Solve equation [1] for the variable x

[1] x = y - 1

// Plug this in for variable x in equation [2]

[2] 2•(y -1) - y = 4

[2] y = 6

// Solve equation [2] for the variable y

[2] y = 6

// By now we know this much :

x = y-1

y = 6

// Use the y value to solve for x

x = (6)-1 = 5

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4 years ago

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hichkok12 [17]

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Step-by-step explanation:

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3 years ago

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galina1969 [7]

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3 years ago

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Koran is spending $12 on games and rides at another carnival, where a game costs $0.25 and a ride costs $1.

Vlad [161]

Answer:

$0.25x+y=12$

Step-by-step explanation:

Let

y ----> the number of rides

x ---> the number of games

we know that

The number of rides multiplied by $1 plus the number of games multiplied by $0.25 must be equal to $12 (the dollar amount Koran is spending)

The equation that represent this situation is

$0.25x+y=12$

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3 years ago

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marin [14]

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3 years ago