Kalinda Kalinda

13-12-2016
Mathematics

contestada

For which equation is 7 a solution?

A) 3x + 1 = 27
B) 3(x + 1) = 24
C) 2x + 3(x-4) = 21
D) x2 - 8 = 42

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123abcsupereasy 123abcsupereasy

13-12-2016

it is b because you have to add then multiply

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