3x + 45 = 4x + 21 Solve for 'x'.

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asked Jul 25, 2021 11.2k views

1 vote

3x + 45 = 4x + 21

Solve for 'x'.

Mathematics
high-school

Hendri asked

by Hendri

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2 Answers

5 votes

Answer:

x=24

Explanation:

$3x + 45 = 4x + 21 \\ collect \: like \: terms \\ 3x - 4x = 21 - 45 \\ - x = - 24$

x = 24

TheFallenOne answered Jul 27, 2021

by TheFallenOne

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1 vote

Answer:

Explanation:

3x + 45 = 4x + 21

45 - 21 = 4x - 3x

24 = x

IAdjunct answered Aug 1, 2021

by IAdjunct

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x=24

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