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29-11-2016
Mathematics

contestada

What is the solution to the equation?

4(3 + 7) = 4 • x + 4 • 7

A.
x = 3

B.
x = 4

C.
x = 7

D.
x = 10

Respuesta :

29-11-2016

4(3 + 7) = 4 • x + 4 • 7
12+28=4x+28
-4x=-12
x=3

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