19jallum57
19jallum57 19jallum57
  • 17-03-2022
  • Mathematics
contestada

Solve for
x
7
(
x
+
9
)
=
9
x
+
5

Respuesta :

bignastyjack
bignastyjack bignastyjack
  • 17-03-2022

Answer:

[tex]x=29[/tex]

Step-by-step explanation:

[tex]7\left(x+9\right)=9x+5[/tex]

[tex]7x+63=9x+5[/tex]

[tex]\mathrm{Subtract\:}63\mathrm{\:from\:both\:sides}[/tex]

[tex]7x+63-63=9x+5-63[/tex]

[tex]\mathrm{Simplify}[/tex]

[tex]7x=9x-58[/tex]

[tex]\mathrm{Subtract\:}9x\mathrm{\:from\:both\:sides}[/tex]

[tex]7x-9x=9x-58-9x[/tex]

[tex]\mathrm{Simplify}[/tex]

[tex]-2x=-58[/tex]

[tex]\mathrm{Divide\:both\:sides\:by\:}-2[/tex]

[tex]\frac{-2x}{-2}=\frac{-58}{-2}[/tex]

[tex]x=29[/tex]

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