1. Write the following statements as an expression:

a. 12 more than a number

b. 15 less than a number

c. Four times a number added to 7

2. Are the following expressions equivalent? Explain.
5(2n - 4) 10n - 4

if answered correctly will give brainiest and 108 points

Respuesta :

Answer:

a.) x+12

b.) x-15

c.) 4x+7

2.) the following expression are equivalent because 5 multiplied by 2n would be 10n and then the rest of the expressions are similar.

a. x+12
b. 15-x
c. 4x+7
2. no the following expressions are not correct because in 5(2n-4), it requires the distributive formula so the expression will become 10n - 20 not 10n - 4