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12-09-2018
Mathematics

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part A: is x=6 a solution of the equation 8x+18=56? Explain. Part B: suppose the solution x=6 increases to x=9, and the left side of the equation stays the same. How would the right side need to change if the solution is no x=9?

Respuesta :

12-09-2018

[tex]8x = 56 - 18[/tex]
[tex]8x = 38[/tex]
[tex]x = 4.75[/tex]
[tex]4.75 = no \: 6[/tex]
part b

the right part will become 90
[tex]8x(9) + 18 = 90[/tex]
[tex]72 + 18 = 90[/tex]
[tex]90 = 90[/tex]

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