приведите подобные слагаемые5p+6p - x-2.1x 8u-2.5u 1/7g-2g-27z-8z 1/7n+1/2n - 5.6y+4y 1/3f-f-6.9c+c

Приведем подобные слагаемые.

1) 5 * p + 6 * p = p * (5 + 6) = p * 11 = 11 * p;

2) - x - 2.1 * x = - x * (1 + 2.1) = - x * 3.1 = - 3.1 * x;

3) 8 * u - 2.5 * u = u * (8 - 2.5) = u * (6 - 0.5) = u * 5.5 = 5.5 * u;

4) 1/7 * g - 2 * g = 1/7 * g - 14/7 * g = - 13/7 * g;

5) - 27 * z - 8 * z = - z * (27 + 8) = - z * 35 = - 35 * z;

6) 1/7 * n + 1/2 * n = 2/14 * n + 7/14 * n = n * (2/14 + 7/14) = b * 9/14 = 9/14 * n;

7) - 5.6 * y + 4 * y = y * (4 - 5.6) = y * (-1.6) = - 1.6 * y;

8) 1/3 * f - f = 1/3 * f - 3/3 * f = f * (1/3 - 3/3) = f * (-2/3) = - 2/3 * f;

9) - 6.9 * c + c = c * (-6.9 + 1) = c * (-5.9) = - 5.9 * c.