21 ounces to pounds as a mixed number

Multiplying an even number of negative numbers gives an answer that is choose from:

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =