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Mathematics, 29.10.2020 15:10 Aarislasha

2. Niko was solving the equation 4(x-5)+7=13 and wrote as his first step 4x – 20+7=13. Which of the following justifies this manipulation?
(1) the commutative property of multiplication
(2) the distributive property
(3) the multiplicative property of equality
(4) the additive property of equality

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