If ac−b=1, which expression represents c?
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The expression for c is

Step-by-step explanation:

The given equation is

To find an expression that represents,c we need to make c the subject.

Add b to both sides

We now divide both sides by 'a'

Simplify the LHS to get:

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.