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Citrus2011 [14]
3 years ago
7

Please help! really rusty on properties ^-^

Mathematics
1 answer:
marta [7]3 years ago
4 0
A is additive equality, where -x and x adds to 0
b is distributive, where x(y+z)=xy+xz
c is multiplicative equality, where x*1=x
d is subtracting both sides by 3.
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