Question 74238
{{{5d+3/4 - 1 =18}}}
{{{5d-1/4=18}}}Add like terms
{{{5d=18+1/4}}}Add 1/4 to both sides
{{{5d=73/4}}}Add the right side
{{{d=(73/4)/5}}}Divide both sides by 5
{{{d=(73/20)}}}
{{{d=3.65}}}
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Check:
{{{5d+3/4 - 1 =18}}}Plug in d=3.65
{{{5(3.65)+3/4 - 1 =18}}}
{{{18.25+3/4-1=18}}}
{{{19-1=18}}}
{{{18=18}}}works