rarel251 rarel251

30-04-2022
Mathematics

contestada

Twenty-one less than a number is seven. What is the number? 3 14 28 147

Respuesta :

igoroleshko156 igoroleshko156

30-04-2022

Answer:

Option C, 28

Step-by-step explanation:

Step 1: Make an expression

Twenty-one less than a number is 7

[tex]x - 21 = 7[/tex]

Step 2: Solve the equation for x

[tex]x - 21 = 7[/tex]

[tex]x - 21 + 21 = 7 + 21[/tex]

[tex]x = 28[/tex]

Answer: Option C, 28

Answer Link

morgandywalden morgandywalden

30-04-2022

Answer:

28

Step-by-step explanation:

because twenty eight subtracted by twenty one equals seven

Answer Link

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