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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 =

Long division the problem is 40 ➗ 348 = ?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)