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enot [183]
3 years ago
14

What is the value of 4x-9=11?

Mathematics
2 answers:
OleMash [197]3 years ago
5 0

Answer:

The correct answer is x = 5

Step-by-step explanation:

4x - 9 = 11

11 + 9 = 20

20 / 4 = 5

x = 5


Good luck!

ahrayia [7]3 years ago
3 0

Answer:  x = 5

Step-by-step explanation:

4x - 9 = 11

add 9 to both sides:

4x -9 + 9 = 11 + 9

Simplify:

4x  = 20

Therefore:

x = 20/ 4

x = 5


Hope that helps!

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\fbox{ \sf{Perimeter \: of \: a \: rectangle = 10x - 2}}

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\star{ \sf{ \:  \: Length \: of \: a \: rectangle ( l )  = (2x - 5) }}

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\star{ \sf{ \:  \: Perimeter \: of \: a \: rectangle =  ?}}

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\text{Step \: 1 : \: Collect \: like \: term}

\text{Like \: terms \: are \: those \: which \: have \: the \: same \: base}

\hookrightarrow{ \sf{2(2x  + 3x - 5 + 4)}}

\hookrightarrow{ \sf{2(5x - 5 + 4)}}

\text{Step \: 2  \: :  \: Subtract \: 4 \: from \: 5}

\text{Remember !\:  : the \: negative \: and \: positive \: integers \: are \: always \: subtracted \: but \: posses \: the \: sign \: of \: the \: bigger \: integer}

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\text{Hope \: I \: helped !}

\text{Best \: regards ! }

~\text{TheAnimeGirl}

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