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-5/2a+1/3a=13/6

 Aug 23, 2019
 #1
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+1

 

                                               –5/2a + 1/3a = 13/6 

multiply both sides by a          –5/2   +  1/3   =  13a/6 

multiply both sides by 6          –30/2  +  6/3   = 13a

simplify                                   –15     +   2      = 13a

combine terms                        –13                 =  13a

divide both sides by 13           –1                   =  a

 

Final Answer                              a  =  –1

.

 Aug 23, 2019

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