Sarah used properties of operations to write the following three equivalent expressions to 1l-4+8+(-6)]. Expression 1: 3 (-4)+ +2(-6)

Expression 2: 1[(-4+(-6)]+4

Expression 3: -2+4+3
Which of the expressions is not equivalent and what was Sarah's error?

answer: dead jah

step-by-step explanation:

bullet + jah= dead jah

i believe that the slope of the line is -5

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.