firelavahd firelavahd

28-04-2016
Mathematics

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a friend decides that 4(x+3)=4x+3. explaine to your freind that 4(x+3)= 4x+12

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cynthiaaaa cynthiaaaa

28-04-2016

It would be 4(x+3) = 4x+12 because you are multiplying each number in the parenthesis by the outside number. Which is 4.
4 * x = 4
4 * 3 = 12

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