Learn with Mentor · 8 min
Add and Subtract Like Terms
Simplify expressions by combining only matching variable terms, collecting x-terms and y-terms separately, and keeping every sign attached to its coefficient.
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What are we learning?
Combining like terms means shortening an expression without changing its value. In this topic, many expressions have x-terms and y-terms, so the main skill is sorting terms by their variable and keeping the signs attached.