kipperp kipperp

28-05-2018
Mathematics

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How is “Twice the sum of a number and seven is three times the number.” Written out as an equation?

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beanygrace beanygrace

28-05-2018

2(x+7)=3x. Because the sum of a number and seven is x+7 then multiplied by 2. Which is equal to 3 times x or 3x.

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