Answer:
x = 80.96
Step-by-step explanation:
9x * 3x +1 = 2187
27x +1 = 2187
27x = 2187-1
27x = 2186
x = 2186/27 = 80.96(2dp)
Answer:
B:subtraction property
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer:
3/4
Step-by-step explanation:
If a number is getting subtracted by a negative number the minus sign and the negative sign cancel eachother and become a positive sign that's why there's 2 plus signs because they became positive
Answer:
39.2
Step-by-step explanation: