c) x+2/9 + x-1/3 = 1 g) 2x-1/5 - x-2/2 = 0,7x MATEMATYKA Z PLUSEM PODRĘCZNIK STR 187 ZAD 11

c) [latex]x + frac{2}{9} + x - frac{1}{3} =1 [/latex] [latex]2x + frac{2}{9} - frac{3}{9} =1[/latex] [latex] 2x - frac{1}{9} = 1[/latex] [latex]2x = 1 + frac{1}{9} [/latex] [latex]2x = frac{10}{9} [/latex] [latex]x = frac{10}{18} [/latex] [latex]x = frac{5}{9} [/latex] d) [latex]2x - frac{1}{5} - x - frac{2}{2} = 0,7x[/latex] [latex]2x - 0,2 - x - 1 = 0,7x[/latex] [latex]x - 1,2 = 0,7x[/latex] [latex]-1,2 = 0,7x - x [/latex] [latex]-1,2 = - 0,3x[/latex] [latex]1,2 = 0,3x[/latex] [latex]4 = x[/latex] [latex]x = 4[/latex]