Answer:
x=13
Step-by-step explanation:
isolate the x by adding4 to each side of the equation
x - 4 = 9
+ 4 =+ 4
and then the -4 cancels out and you get x = 13
I hope this helps :)
This is an incomplete question.
Answer:
B
Step-by-step explanation:
Area = length x width
Area of square = 8 x 8 = 64 square inches
Area of rectangle = 24 x 20 = 480 square inches
Area of rectangle surrounding the square = 480 - 64 = 416 square inches
Answer: 416 square inches
Answer:
3n
Step-by-step explanation:
When subtracting like terms (numbers, or variable expressions that have the same variable, like these), you add the coefficients (the numbers attached to the variable) to simplify the expression.
5n - 2n
You have 5 "n"s and you subtract 2 "n"s, leaving you with 3 "n"s
