144
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Well, isn't that just a happy little math problem we have here? If we take 102 and subtract 42, we get 60. So, another way to express 102 - 42 is 60. Just like painting, math can be a beautiful and calming experience when we take our time to appreciate the process.
Equivalent expressions.
the answer is a(n) equationequationWhen two expressions are equivalent they can form an equation.
equivalent expressions
A statement that equates two equivalent expressions is called an Identity.
4b-b