Answer:
x = 11.25
Step-by-step explanation:
4x=45
divide 4 from both sides
4/4 x = 45/4
x= 11.25
Answer:
-66+12 or -54
Step-by-step explanation:
To remove the parenthesis multiply the number outside of the parenthesis (in this case -6) to the numbers inside of the parenthesis (11, and -2).

A negative multiplied by a positive is a negative.

A negative multiplied by a negative is a positive.

The numbers would be 1 and 6 you need to put the positive on the 6 and the negative on the 1 to get positive 5 when adding and -6 when multiplying
Hope this helps
Since the variable x has an invisible one next to it, which is 1x, it is 6x.
Answer:
A. 5.2% Decrease
Step-by-step explanation: