7 × 3 = 3 × ?


? × 5 = 5 × 3
3 × ? =9×3

There are 3 question fill in the blanks to make true number senteces

y=x+9

?

step-by-step explanation:

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.

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