Solve for n:
-6n+15=-6n+15 Identity Property- this equation is true for all values of n
The length of a rectangular room is 6 less than 3 times the width,w, of the room.
Write a simplified expression that represents the perimeter of the room.
A triangle has the sides 3x,2x-8 and 10.
Write a simplified expression for the perimeter of the triangle.
A triangle has the sides x,2x-14 and 10.
If the perimeter of the triangle is 49 what is the value of x?
The greater of two numbers is 4 more than the lesser. Three times the greater is 2 less than 5 times the smaller.
Find the numbers.
The numbers are 7 and 11.
Translate this sentence into an equation.
Two times a number,n, is three times the sum of n and nine
Find two consecutive even integers, such that six times the first equals five times the second.
6x=5(x+2) The integers are 10 and 12