Question 707333
{{{ (3x+7)^(1/3)-(4x+2)^(1/3)^""=0 }}}


{{{ (3x+7)^(1/3)=(4x+2)^(1/3)^"" }}}


{{{ ((3x+7)^(1/3))^3=((4x+2)^(1/3)^"")^3 }}} ... cube both sides 


{{{3x+7 = 4x+2}}}


I'll let you finish up