The perimeter of a triangle is 42 inches. one side measures 18 inches. the shortest side measures x inches. the longest side measures 1 inch less than 4 times the length of the shortest side. write and solve the equation to find the length of the longest side.

This law is sometimes called the grouping property. as you can see, regardless of how the numbers are grouped, the answer is still 13. the associative law of multiplication is similar to the same law for addition. it says that no matter how you group numbers you are multiplying together, you will get the same answer.

What lol