rozwiąż równania -3x=2x-10 2x-2=7-x 10=4-2x Daje naj

- 3x = 2x - 10 - 5x = - 10 / : (- 5) x = 2 2x - 2 = 7 - x 3x = 9 / : 3 x = 3 10 = 4 - 2x - 2x = 6 / : (- 2) x = - 3

-3x = 2x - 10 -3x - 2x = -10 -5x = -10      /:(-5) x = 2     2x - 2 = 7 - x 2x + x = 7 + 2 3x = 9     /:3 x = 3     10 = 4 - 2x 2x = 4 - 10 2x = -6     /:2 x = -3