tolong selesain donk. Mksh

PLSV

1||

2n - 5 = 3
     2n = 8
       n = 4

2||

7 = 10 - p
p = 10 - 7
p = 3

3||

3a + 8 = a
3a - a = -8
     2a = -8
       a = -4

4||

9p + 9  = 8p + 4
9p - 8p = 4 - 9
         p = -5

5||

5p + 7  = 6p - 14
5p - 6p = -14 - 7
       -p  = -21   |x-1|
        p  = 21


Semoga Membantu!!!

1) 2n-5 = 3
2n = 3 + 5
2n = 8
n = 8/2 = 4
2) 7 = 10- p
p = 10 - 7
p = 3
3) 3q+8 =q
3q - q = -8
2q = -8
q = -8/2 = -4
4) 9p + 9= 8p+4
9p -8p = 4-9
p = -5
5) 5p + 7 = 6p - 14
7+ 14 = 6p - 5p
21 = p
p= 21