Question

Tolong jawaban dan caranya
1. 2- x=4

2. (x+3) + (x-1=0)

3.

Answer 1

1. semua ruas di kali 3
 6 - 2x = 12
-2x = 12 - 6
-2x = 6
x = -3

2. semua ruas di kali 4
3(x+3) + 2(x-1) = 0
3x + 9 + 2x - 2 = 0
3x + 2x = 2 - 9
5x = -7
x = -7/5

3. semua ruas di kali 6
2(2x-3) + 3 (4x + 4) =6 ( 2x + 3)
4x -6 + 12x + 12 = 12x + 18
4x + 12x - 12x = 18 +6 - 12
4x = 12
x = 3