15-09-2017
Mathematics

contestada

9x(30+7)=(9x )+(9x7)
Properties to find the sum or product

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temp102 temp102

15-09-2017

I think you are trying a variation of the distributive property
remember
a(b+c)=ab+ac
so
9x(30+7)=9x(30)+9x(7)
so the blank will be 30

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