Tolong ya kak bang ..bantu dikerjainn . jam tengah 12 ni dikumpul

1) a) x + 5 = 9
x = 9 - 5
x = 4

b) x = { 2, 3 , 5 }

c) 8 - x = 5
8 - 5 = x
3 = x

d) x ÷ 2 = 3
x = 2 × 3
x = 6

2a) 5 + p = - 2
p = - 2 + 5
p = 3

b) 5a + 18 = 2a
5a - 2a = 18
3a = 18
a = 6

c) 6x + 4 = 2x + 8
6x - 2x = 8 - 4
4x = 4
x = 1

d) 2x - 3 = x + 5
2x - x = 5 + 3
x = 8

e) ½ ( 4x - 5) = x + 5¼
2x - 5/2 = x + 21/4
2x - x = 21/4 + 5/2
x = 21/4 + 10/4
x = 31/4
x = 7 ¾

f) ¾ ( a + 4) - ⅔( ¾ + a) = ½
¾a + 3 - ½ - ⅔a = ½
¾a - ⅔a = ½ - 3 + ½
9/12a - 8/12a = 6/12 - 36/12 + 6/12
1/12 a = - 24/12
a = - 24/12 ÷ 1/12
a = - 24/12 × 12/1
a = - 24

3) a) 7a - 5 = 6a + 3
7a - 6a = 3 + 5
a = 8

b) 5x + 3 = 11 + x
5x - x = 11 - 3
4x = 8
x = 2

c) 4x - 5 = 2x + 3
4x - 2x = 3 + 5
2x = 8
x = 4

d) 5m + 18 = 2m
5m - 2m = - 18
3m = - 18
m = - 6