Question

2-7x   4x+7        x

----  + ----  =  -  ---

  6        3            2 

 

прошу,решите!

Answer 1

$frac{2-7x}{6}+frac{4x+7}{3}=-frac{x}{2}, \ 6cdot(frac{2-7x}{6}+frac{4x+7}{3})=6cdot(-frac{x}{2}), \ 2-7x+2(4x+7)=-3x, \ 2-7x+8x+14=-3x, \ 4x=-16, \ x=-4.$