Explain how you can use the commutative and associative prpoperties to add 19+28+81 mentally.
408
408 = 2 × 2 × 2 × 3 × 17
0.0049
408 / 2204 / 2102 / 251 / 317[2 2 2 3 17] ■
408 = 2 x 2 x 2 x 3 x 17
8x-51 is an expression. It is NOT an equation because there is no equals sign.
0.0049
2 x 2 x 2 x 3 x 17 = 408
408 = 2 x 2 x 2 x 3 x 17
Well, let's take a moment to appreciate the beauty of simplifying fractions. If we divide both the numerator and the denominator by their greatest common factor, which is 204, we get 1 over 2. Just like painting a happy little tree, simplifying fractions can bring a sense of peace and harmony to our mathematical world.
If the equation is 6a = 57, then divide both sides by 6.
102