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The answer is
, choice B.
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To solve the expression
, first simplify the equation by combining like terms. You have
. Now, when you look at the options given, none of them say
, so technically, it seems like there’s an error in the options provided. However, focusing on the calculations, we effectively simplified the expression to
.
Now, remember to always double-check your expressions before concluding, as small distinctions in the terms can steer you in the wrong direction!
When dealing with algebraic expressions, it can be easy to overlook coefficients. Keep a keen eye on numbers that can drastically change your results. When in doubt, rewriting each term clearly can help you visualize and avoid common mistakes.