Viejo27 Viejo27

03-09-2022
Mathematics

contestada

+87 + (4 + 8) = (7 + 4) + what property is

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lolomoakamela lolomoakamela

03-09-2022

Answer:

87+(4+8)=(7+4)+x

87+12=11+x

87+12-11=x

88=x

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