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03-08-2016
Mathematics

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Which value for A satisfies the equation 3 - 4(1 + A) = 7? A = -2 A = -6 A = 2 A = 6

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03-08-2016

You just have to replace the value of A in the equation and see which one gives 7. The answer is A = -2..... { 3 - 4(1-2) } = { 3 - (-4) } = 7

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