Question

Tolong dijawab ya!!! Aku sangat membutuhkan bantuan kalian semua!!!
1. |3-1/4x|=1
2. |2x-1|=|2-3x|
3. |5x-4|=|x+4|
4. |5x+1|=|2x-2|

Mohon bantunannya!!! Tolong di jawab

Answer 1

1) | 3 - 1/4 x |= 1
3 - 1/4 x  = 1 atau 3 - 1/4 x = -1
12 - x = 4  atau 12 - x = -4
-x = 4-12 atau -x = - 4 - 12
x = 8 atau x = 16

2) |2x -1| = |2 - 3x|
2x -1 = 2 - 3x  atau 2x -1 = 3x -2
2x +3x = 2 +1  atau 2x - 3x = -2 + 1
5x = 5 atau -x  = -1
x = 1 atau x = 1
HP x = 1

3) | 5x - 4| = | x + 4|
5x - 4 = x + 4 atau 5x - 4 = 4 - x
5x -x = 4 + 4  atau 5x + x = 4 + 4
4x = 8 atau 6x = 8
x = 2 atau x = 8/6 =4/3

4) |5x +1| = |x -2|
5x + 1 = x - 2  atau 5x + 1 = 2 - x
5x - x = -2 - 1  atau 5x + x = 2 - 1
4x = -3  atau 6x = 1
x = - 3/4 atau x = 1/6