What is 5(x + 3) = 9x+30

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Rashi Karanpuria asked Feb 26, 2022

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40 votes

What is 5(x + 3) = 9x+30

Mathematics
high-school

Rashi Karanpuria asked Feb 26, 2022

by Rashi Karanpuria

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17 votes

x =-15/4

Explanation:

Robin Webb answered Feb 27, 2022

by Robin Webb

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12 votes

x=−15/4

1. expand
5x+15=9x+30

2. subtract 15 from both sides

15=9x+30−5x

3. simplify

15=4x+30

4. subtract 30 from both sides

15−30=4x

5. simplify

−15=4x

6. divide both sides by 4
x= 15
- ——
4

Celsomtrindade answered Mar 2, 2022

by Celsomtrindade

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