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what does X equal? -5(X-31)=11.5

 Jun 14, 2021
 #1
avatar+2135 
+2

-5(X-31)=11.5

x - 31 = -2.3

x = 28.7

 

=^._.^=

 Jun 14, 2021
 #2
avatar+11876 
+3

what does X equal? -5(X-31)=11.5

 

Hello niyirixu!

 

\(-5(x-31)=11.5\ |\ multiply\ by\ the\ terms\ of\ the\ bracket \)

\(-5x+155=11.5\ |\ -155\ on\ either\ side\ of\ the\ equation\)

\(-5x=11.5-155\\ -5x=-143.5\ |\ :(-5)\ |\ on\ either\ side\ of\ the\ equation\\ x=-143.5:(-5) \)

\(x=28.7\)

laugh  !

 Jun 14, 2021
edited by asinus  Jun 14, 2021
edited by asinus  Jun 14, 2021
edited by asinus  Jun 14, 2021

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