Решите пожалуйста!!!! 9,5x-(3,2x+1,8x)+3,75=6,9 ♥♥♥♥
9.5x-3.2x-1.8x = 6.9-3.75; 6.3x=3.15; x=3.15/6.3; x=0.5
9,5x-3.2x-1.8x+3.75=6.9 4.5x=3.15 x=3.15:4.5 x=0.7