Here is an equation: 4x-4=4x+_. What could you write in the blank so the equation would be true for: 1.no values of x
2.all values of x
3.one value of x

were is the equation

coins of silver or gold

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.

use the !