Quel est la solution de cette équation? 5 - 4a =7 + a

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Chocula asked Nov 14, 2023

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22 votes

Quel est la solution de cette équation?
5 - 4a =7 + a

Mathematics
high-school

Chocula asked Nov 14, 2023

by Chocula

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28 votes

Hello!

5 - 4a = 7 + a

-4a - a = 7 - 5

-5a = 2

a = 2/-5

a = -2/5

Gnawme answered Nov 16, 2023

by Gnawme

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23 votes

Answer:

a = -2/5

Explanation:

5 - 4a = 7 + a

- 4a - a = -5 + 7

-5a = 2

a = -2/5

--------------------------------

check

5 - 4(-2/5) = 7 + (-2/5)

0 = 0

the answer is good

Edward Ruchevits answered Nov 19, 2023

by Edward Ruchevits

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