<PRE><B>Question 1049639</B>


{{{(3x+1/2)}}}+({{{7x}}}-{{{4}}} {{{1/2}}})

{{{(3x+1/2)+(7x-9/2)}}}

{{{3x+1/2+7x-9/2}}}

{{{3x+7x+1/2-9/2}}}

{{{10x+(1-9)/2}}}

{{{10x+(-8/2)}}}

{{{10x+(-4)}}}

{{{10x-4}}}



{{{(-0.25x-3)-(1.5x+1.4)}}}

{{{-0.25x-3-1.5x-1.4}}}

{{{-0.25x-1.5x-3-1.4}}}

{{{-1.75x-4.4}}}



</PRE>