Mathematics, 24.06.2019 22:00 hellodarkness14
What are the properties for these equations: 1) (15 * 12x) * y = y * (15 * 12x) 2) 22x * (3 * 4y) = 22x * (4y * 3) 3) if x = 4 and 4 = y, then x = y 4) (7x + 15) + 21 = 7x + (15 + 21)
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What are the properties for these equations: 1) (15 * 12x) * y = y * (15 * 12x) 2) 22x * (3 * 4y) =...
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