Решите уравнение:1) х+3/65 = 4/132) 7/х+4 = 21/603) 5х-8/5 = 18/45

[latex]x+ \frac{3}{65}= \frac{4}{13} [/latex] [latex]x= \frac{4}{13}- \frac{3}{65} [/latex] [latex] \frac{4}{13}- \frac{3}{65}= \frac{20-3}{65} = \frac{17}{65} [/latex] [latex]x= \frac{17}{65} [/latex] [latex] \frac{7}{x+4} = \frac{21}{60} [/latex] [latex] \frac{7}{x+4}= \frac{7}{20} [/latex] [latex] \frac{1}{x+4}= \frac{1}{20} [/latex] [latex]x+4=20[/latex] [latex]x=20-4[/latex] [latex]x=16[/latex] [latex]5x- \frac{8}{5}= \frac{18}{45} [/latex] [latex]5x= \frac{18}{45}+ \frac{8}{5} [/latex] [latex]5x= \frac{90}{45} [/latex] [latex]x= \frac{90}{45}/5 [/latex] [latex]x= \frac{2}{5} [/latex]