What is the value of this expression when x--1 and Y=2? 4x²7²

196

Step-by-step explanation:

4(-1)²×49

4×49=196

the answer is the third / last answer

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.