2X− = −3 X 5 2. 3X+ = +2 X 1 3. 2X+ = −1 7 X 4. 2X− = +5 X 1

1. 2x− = −3 x 5 2. 3x+ = +2 x 1 3. 2x+ = −1 7 x 4. 2x− = +5 x 1