Which of the following is an example of an equation?
2m + 1
9 - x + 7
x + 7
x - 8 = 12

wedfghjkl;

tyuiop[]ghjkl;

step-by-step explanatio89

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13

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.

im not sure what this means: mc011-7.jpg

step-by-step explanation: