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1. If four times the number is added to nine, the result is forty-nine. Write in algebraic equation.

A. 9+4n = 49
B. 4 +9n = 49
C. 9= 49
D. 4 = 49


Sagot :

Answer:

A

Step-by-step explanation:

9 + 4(n)= 49

let the n be the unknown number.