Answer:
3
Step-by-step explanation:
Step 1. 3(2x-6)
Step 2. 6x-18
Step 3. 6x= +18
Step 4. x= 18/6
Step 5. x= 3
6x - 18
3(2x-6)
3 * 2x = 6x
3 * -6 = -18