26-01-2015
Mathematics

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How do I solve: x/3 +10= 15

Respuesta :

26-01-2015

x/3+10=15
-10 -10
x/3= 5
x= 3*5
x=15

check by substitution 15/3 +10= 15
5+10=15, this is true
Therefore x=15 is the answer

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ValyRemus ValyRemus

26-01-2015

[tex] \frac{x}{3}+10=15 \hbox{ /|10 (substract 10 from both) } [/tex]

[tex] \frac{x}{3}=15-10=5 [/tex] ⇒ [tex]x=3*5 [/tex]

[tex]\boxed {x=15}[/tex]

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