Question

There is a number that is 8 less than the sum of 20 + 12. Find the number.

Let n = the number.

Answer 1

8 less than 20+12
-(8) + 20+12 =24

Answer 2

32-8
=24

Answer 3

24

Answer 4

answer choices are n=8(20+12),n=(20+12)-8,n-8=(20+12),n=(20+12)+8

Answer 5

second one

Answer 6

thanks

Answer 7

A father is 1 year older than 3 times the age of his son. The son is 20 years old.

Let F = the age of the father.

Which formula would calculate the father's age?

F + 1 = 3(20)
F - 1 = 3(20)
F = 3(20 - 1)

Answer 8

3(20)+1

Answer 9

second one

Answer 10

second

Answer 11

thanks

Answer 12

Determine which operation should be performed on each side of the equation below to solve for the variable.
x + 9 = 20
Add (-9) to both sides.
Add (-20) to both sides.
Add (+9) to both sides.
Add (-29) to both sides.

Answer 13

first one

Answer 14

Determine which operation should be performed on each side of the equation below to solve for the variable.
-13 = 4 + m
Add (+13) to both sides.
Add (+4) to both sides.
Add (-13) to both sides.
Add (-4) to both sides.

Answer 15

add-4 both side

Answer 16

fourth

Answer 17

Determine which operation should be performed on each side of the equation below to solve for the variable.
x - 8 = 2
Add 8 to both sides.
Add (-2) to both sides.
Add 2 to both sides.
Add (-8) to both sides

Answer 18

1st one is correct

Answer 19

Determine which operation should be performed on each side of the equation below to solve for the variable.
9 = -3 + r
Add 3 to both sides.
Add 9 to both sides.
Add 6 to both sides.
Add (-3) to both sides.

Answer 20

add 3 to both side

Answer 21

first

Answer 22

What should be added to both sides of this equation to solve for the variable?
p + (-2) = 21

Answer 23

2 is to be added

Answer 24

What should be added to both sides of this equation to solve for the variable?
18 + y = 32

Answer 25

-18

Answer 26

What should be added to both sides of this equation to solve for the variable?
18 + y = 32

Answer 27

same as above.