Question

решите уравнение:
3x-4+ 5x-7 4x+5
------ -----= -------
9 6 18

Answer 1

$frac{3x-4}{9} + frac{5x-7}{6} = frac{4x+5}{18} \ frac{6x-8}{18} + frac{15x-21}{18} = frac{4x+5}{18} \ 6x-8+15x-21=4x+5 \ 17x=34 \ x=2$