Question 1088172
{{{(100*x+55*15)/(x+55)=95}}}


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{{{100x+55*15=95(x+55)}}}


{{{100x+55*15=95x+55*95}}}


{{{5x=55*95-55*15}}}


{{{5x=55(95-15)}}}


{{{x=11(80)}}}


{{{highlight(x=880)}}}