4p + 9 + (-7p) + 2 = 4p - 7p + 9 + 2 = -3p + 11
6nx + 7p - 14p + 2nx + 6x = 8nx - 7p + 6x
8p+5 = 11+7p= 8p-7p = 11-5p = 6
7+5q = -3 5q = -3-7 5q =-10 q = -2
7p+5q=-3, p=1 7Xp+5q=-3 7+5q=-3 5p=-10 p=-2
5p-7q
4p + 9 + (-7p) + 2 = 4p - 7p + 9 + 2 = -3p + 11
6nx + 7p - 14p + 2nx + 6x = 8nx - 7p + 6x
8p+5 = 11+7p= 8p-7p = 11-5p = 6
7+5q = -3 5q = -3-7 5q =-10 q = -2
7p+5q=-3, p=1 7Xp+5q=-3 7+5q=-3 5p=-10 p=-2
5p + 15p + 7p = 27p 5p - 15p + 7p = -3p 5p x 15p + 7p = 75p2 + 7p 5p/15p + 7p = 7p + 1/3
7p + 2 = 5p + 8 7p - 5p = 8 - 2 2p = 6 p = 3
14 + 6p = 6 + 7p 8 = p
4p+9-7p+2 -3p+11 p = 11/3
-7p + 5r - 6p + 3r = -7p - 6p + 5r + 3r = -(7 + 6)p + (5 + 3)r = -13p + 8r
4p + 9 - 7p + 2 4p - 7p + 9 + 2 p(4 - 7) + 9 + 2 -3p + 11