Final question! Thanks to everyone who has helped!

x = 4

Step-by-step explanation:

11x - 7x = 16

11x - 7x = 4x

16 divided by 4 = 4x

x = 4

4x=16

4x/4 = 16/4

x = 4

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25