nicuelbi nicuelbi

10-11-2014
Mathematics

contestada

[(a+3)x8+26]:5=18 va multumesc frumos

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mariamikayla mariamikayla

10-11-2014

[tex][(a+3)*8+26]:5=18 \\\\ (a+3)*8+26=18*5 \\\\ (a+3)*8+26=90 \\\\ (a+3)*8=90-26 \\\\ (a+3)*8= 64 \\\\ a+3=64:8 \\\\ a+3=8 \\\\ a=8-3 \\\\ \boxed{a=5}[/tex]

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apologiabiology apologiabiology

10-11-2014

so [(a+3)8+26]/5=18
multiply out
[8a+24+26]/5=18
add
(8a+50)/5=18
bultiply both sides by 5
8a+50=90
subtract 50 from both sides
8a=40
divide both sides by 8
a=5

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