The addition property of equality is used when we add 9 to both sides
6x-9 = 45
6x-9+9 = 45+9
6x = 54
The next step would be to divide both sides by 6 using the division property of equality
6x/6 = 54/6
x = 9
Answer:
Are you sure you're not missing any brackets? Cause if you do, the answer might be different
1680
Step-by-step explanation:
12+7+6=25
12+20*12=252
20+20+7=47
7*20*12=1680
