All of the following are equivalent except
a. x-7
b. )
c.-7+x
d. x+(-7)

B

Subsitute 1 for x

1-7 = -6

1 - -7 = 8

-7 +1 = -6

1 + -7 = -6

The answer is B!!

:)

<3

75 tickets have been sold so far.

step-by-step explanation:

in this question it is clearly mentioned that 45 children's tickets have been sold and this number is 60% of the total tickets sold.

now let's assume the total number of tickets sold be x.

then 60% of x = 45

⇒

⇒ x(.6) = 45

by dividing with .6 on both the sides of the equation

⇒ x = 75

therefore 75 tickets have been sold so far.

d

step-by-step explanation:

d