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3×_+_3=72 what is the missing number​

Sagot :

Answer:

[tex]x = 23[/tex]

Step-by-step explanation:

[tex]3x + 3 = 72 \\ 3x + 3 - 3 = 72 - 3 \\ 3x = 69 \\ \frac{3x}{3} = \frac{69}{3} \\ x = 23[/tex]

Answer:

13 and 3

Step-by-step explanation:

3×13=39+33=72

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