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Write an equation using the variable x for the mystery number. Then solve it. The sum of 7 and a mystery number is 26. What is the answer?

Write an equation using the variable x for the mystery number Then solve it The sum of 7 and a mystery number is 26 What is the answer class=

Respuesta :

jfranks
a. 7 + x =26

method: 26- 7 = 19

answer: 19

b. x + 15 = 48

method: 48 - 15 = 33

answer: 33

c. 2x = 64

method: 64 / 2 = 32

answer: 32
7 + x = 33
7 + x = 33 - 26
x=26
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