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3+x=7 What does variable represent?

Sagot :

Answer:

a variable is an unknown number by the way the answer is 4 too.

3+x=7

-3 -3

______

x = 4

subtract 3 on both sides to get x (the variable) by itself.

Answer:

good morning here is your answer,

3+x=7

or, x= 7-3

or, x= 4