Question 1036964
{{{system(3*2*5,3*5*5,LCD=2*3*5*5)}}}


{{{(x+5)/30=(4x-10)/75}}}


{{{2*3*5*5(x+5)/(2*3*5)=2*3*5*5(4x-10)/(3*5*5)}}}


{{{5(x+5)=2(4x-10)}}}


{{{5x+25=8x-20}}}


{{{25+20=3x}}}


{{{3x=45}}}


{{{x=15}}}