tentukan himpunan penyelesaian dari 1. |×-2| + |×+4| = 7 2. |×+4| + |3× -2| =6

1. ( x - 2 ) + ( x + 4 ) = 7
x - 2 + x + 4 = 7
2x + 2 = 7
2x = 7 - 2
2x = 5
x = 5/2
x = 2,5
2. ( x + 4 ) + ( 3x - 2 ) = 6
x + 4 + 3x - 2 = 6
4x + 2 = 6
4x = 6 - 2
4x = 4
x = 4/4
x = 1