sgonzalez04 sgonzalez04

11-08-2018
Mathematics

contestada

9(2 + x) = 10(7 + x)
Answer in a fraction

Respuesta :

11-08-2018

[tex]9(2+x)=10(7+x)[/tex]

Use distributive property: a(b + c) = ab + ac

[tex](9)(2)+(9)(x)=(10)(7)+(10)(x)\\\\18+9x=70+10x\ \ \ \ |-18\\\\9x=52+10x\ \ \ \ |-10x\\\\-x=52\to x=-52[/tex]

Answer: -52 In a fraction? OK: [tex]-\dfrac{52}{1},\ -\dfrac{104}{2},\ -\dfrac{156}{3},\ ...[/tex]

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