Question

решите уравнение 
1/2(х+2)+1/3(х+3)+1/5(х-5)=2

Answer 1

$frac{1}{2} (x+1)+ frac{1}{3}(x+3)+ frac{1}{5} (x-5)-2=0 x/2 +1 +x/3 +`1 +x/5 -1-2=0 31x/30=1 31x=30 x=31/30$