Równiania 2 1/2 - x = -1/2x 1/2x + 1/5x - 1/10x=2
Równiania 2
1/2 - x = -1/2x
1/2x + 1/5x - 1/10x=2
1/2 - x = -1/2x -x+1/2x=-1/2 -1/2x=-1/2 /*-2 x=1 1/2x + 1/5x - 1/10x=2 5/10x + 2/10x -1/10x=2 6/10x=2 /*10/6 x=10/3 x=3 1/3
1/2 - x = -1/2x /*2 1-2x=-x -x=-1 /*(-1) x=1 1/2x + 1/5x - 1/10x=2 /*10 5x+2x-x=20 6x=20 /:6 x=20/6 x=3 1/3
1/2 - x = -1/2x -½x=-½ x=1 1/2x + 1/5x - 1/10x=2 ⁵/₁₀x+²/₁₀x-¹/₁₀x=2 ⁶/₁₀x=2 x=¹⁰/₃ x=3⅓