Stonclused76 Stonclused76

30-07-2020
Mathematics

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3x + 45 = 4x + 21

Solve for 'x'.

Respuesta :

ahamit68 ahamit68

30-07-2020

Answer:

Step-by-step explanation:

3x + 45 = 4x + 21

45 - 21 = 4x - 3x

24 = x

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Аноним Аноним

30-07-2020

Answer:

x=24

Step-by-step explanation:

[tex]3x + 45 = 4x + 21 \\ collect \: like \: terms \\ 3x - 4x = 21 - 45 \\ - x = - 24[/tex]

[tex]x = 24[/tex]

Answer Link

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