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13-12-2019
Mathematics

contestada

For each value of u, determine whether it is a solution to - 23 = 5x + 7
Is it a solution?
Yes
No
X
5
?

Respuesta :

13-12-2019

Be careful. A solution implies there (maybe) is only one solution.

We have

[tex]

-23=5u+7 \\

-30=5u \\

u=-6

[/tex]

So yes u is a solution.

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