Alg 0.3 - Add and Subtract Real Numbers
A.1.1.1 Identify and use the properties of operations on real numbers, including cumulative, associative, distributive, and identity and inverse elements for addition and multiplication;
A1.1.6 Simplify numerical expressions, including those involving radicals and absolute value;
A1.1.6 Simplify numerical expressions, including those involving radicals and absolute value;
Subtraction Does Not Exist!
(Subtraction is simply adding a negative number)
7 - 4 = 7 + (-4)
(Subtraction is simply adding a negative number)
7 - 4 = 7 + (-4)