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12 cards from this deck
Math phrase with numbers, letters, operations (no equals sign)
Parts separated by plus or minus signs
Letters (xxx, yyy, zzz) representing unknown values that change
Plain numbers whose values never change
Numbers that multiply the variables
Terms with exactly same variables & exactly same powers
Only like terms may be added or subtracted
Collect & combine like terms: add/subtract coefficients
Multiply everything inside brackets by what's outside
a(b+c)=ab+aca(b + c) = ab + aca(b+c)=ab+ac
The coefficient is understood to be 111
Different powers: x2x^2x2 versus x1x^1x1
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