3 years ago

Evaluate the expression: 2x + 5 for x = 3

Mathematics

1 answer:

lubasha [3.4K]3 years ago

5 0

Substitute the value of the variable into the equation and simplify.
11
11

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MariettaO [177]

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Step-by-step explanation:

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4 years ago

Please help;-; tysm! (23 points)

avanturin [10]

Answer:

The answer is x = 27.

Step-by-step explanation:

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Solve this equation. Enter your answer in the box.<br> 13(y+7)=3(y−1).

Fofino [41]

★To Solve :

$\rm\blue{13(y+7) = 3(y-1)}$

⠀⠀⠀⠀⠀

★SOLUTION :

$\rm\red\leadsto{13(y+7) = 3(y-1)}$

$\rm\red\leadsto{13\times{y}+13\times7= 3\times{y}-3\times1}$

$\rm\red\leadsto{13y+91=3y-3}$

$\rm\red\leadsto{13y-3y=-3-91}$

$\rm\red\leadsto{10y=-94}$

$\rm\red\leadsto{} y =\dfrac{ { \cancel{-94}}^{ \:-45 } }{ { \cancel{10}}^{ \: 5} }$

$\rm\red\leadsto{y=}\dfrac{-47}{5}$

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3 years ago

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Naya [18.7K]

Answer:

Step-by-step explanation:

whenever you see this ^ you now it's not linear equation

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mixas84 [53]

Hi there!

The answer would be 120 so D.

Add all the measurements: 20 + 60 + 40 and you get 120.

Hope this helps ;)

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