Labangg0raHannonweb Labangg0raHannonweb

15-05-2016
Mathematics

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Solve: 3(2x - 5) = 6x - 15
A) 0
B) 1
C) 20
D) infinitely many solutions

Respuesta :

Willchemistry Willchemistry

15-05-2016

[tex]3(2x-5)=6x-15[/tex]

[tex]3(2x-5) :[/tex]

[tex]6x-15 = 6x-15[/tex]

add 15 to both sides:

[tex]6x-15+15=6x-15+15[/tex]

[tex]6x =6x[/tex]

subtract 6x from both sides:

[tex]6x-6x=6x-6x[/tex]

[tex]0=0[/tex]

Both sides are equal : true for all x

Answer D

hope this helps!

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