Приведение подобных слагаемых 1. - 8x + 5,2a +3x+5a=-5x An 2. 5α - 9,2m + 7a + 15m = 2 4 3.x--x+y= 14 4. - 6α +5α - x + 4x e 5. 23x-23+40 + 4x = 6. 4x - 2x + 6x - 3a + 4 = 7. - 6,3m + 8 - 3,2m - 5= 8. 4α - 6α - 2α + 12 - 11 - 9. 2 0,2m --- 4m += 1 9 9 10. a+c-a+c= 2 3 2 11. 0,7x - 6y - 2x + 0,8y = 5 1 5 12. +-+=α 6 7 6 13.7,4x - 5,3y +6,6x - 3,7y = 14.5m - (3m+5) + (2m - 4) = 1 5 7 15.-(-)=c 8 16.7 (2x - 3) + 4(3x - 2) = 17.- 2(4k + 8) - 3(5k - 1) = 18.- 8(2-2)+4(3-4y) = 19.(3x-11).2-5.(4-3x)= 20.(8α - 1) (-6) + (3-7) (-2) -

-8x + 5.2a + 3x + 5a = -5x + 10.2a

5α - 9.2m + 7α + 15m = 12α + 5.8m

\[\frac{2}{7}x - \frac{4}{14}x + y = \frac{2}{7}x - \frac{2}{7}x + y = 0x + y = y\]

-6α + 5α - x + 4x = -α + 3x

23x - 23 + 40 + 4x = 23x + 4x + 17 = 27x + 17

4x - 2α + 6x - 3α + 4 = 4x + 6x - 2α - 3α + 4 = 10x - 5α + 4

-6.3m + 8 - 3.2m - 5 = -6.3m - 3.2m + 8 - 5 = -9.5m + 3

4α - 6α - 2α + 12 - 11 = 4α - 6α - 2α + 1 = -2α - 2α + 1 = -4α + 1

\[0.2m - \frac{2}{9} - 4m + \frac{5}{9} = 0.2m - 4m + \frac{5}{9} - \frac{2}{9} = -3.8m + \frac{3}{9} = -3.8m + \frac{1}{3}\]

\[\frac{1}{2}α + \frac{1}{3}c - \frac{1}{2}α + \frac{2}{3}c = \frac{1}{3}c + \frac{2}{3}c = \frac{3}{3}c = c\]

0.7x - 6y - 2x + 0.8y = 0.7x - 2x - 6y + 0.8y = -1.3x - 5.2y

\[\frac{2}{7}α + \frac{1}{6}p - \frac{5}{7}α + \frac{5}{6}p = \frac{1}{6}p + \frac{5}{6}p + \frac{2}{7}α - \frac{5}{7}α = \frac{6}{6}p - \frac{3}{7}α = p - \frac{3}{7}α\]

7.4x - 5.3y + 6.6x - 3.7y = 7.4x + 6.6x - 5.3y - 3.7y = 14x - 9y = 14x - 9y

14.5m - (3m + 5) + (2m - 4) = 14.5m - 3m - 5 + 2m - 4 = 14.5m - 3m + 2m - 5 - 4 = 13.5m - 9 = 13.5m - 9

\[\frac{1}{8}c - (\frac{5}{9}c - \frac{7}{8}c) = \frac{1}{8}c - \frac{5}{9}c + \frac{7}{8}c = \frac{1}{8}c + \frac{7}{8}c - \frac{5}{9}c = \frac{8}{8}c - \frac{5}{9}c = c - \frac{5}{9}c = \frac{4}{9}c = \frac{4}{9}c\]

16. 7(2x - 3) + 4(3x - 2) = 14x - 21 + 12x - 8 = 14x + 12x - 21 - 8 = 26x - 29 = 26x - 29

-2(4k + 8) - 3(5k - 1) = -8k - 16 - 15k + 3 = -8k - 15k - 16 + 3 = -23k - 13

-8(2 - 2y) + 4(3 - 4y) = -16 + 16y + 12 - 16y = -16 + 12 + 16y - 16y = -4 + 0 = -4

(3x - 11) * 2 - 5 * (4 - 3x) = 6x - 22 - 20 + 15x = 6x + 15x - 22 - 20 = 21x - 42 = 21x - 42

(8α - 1) * (-6) + (3α - 7) * (-2) = -48α + 6 - 6α + 14 = -48α - 6α + 6 + 14 = -54α + 20 = -54α + 20