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04-04-2017
Mathematics

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Which value of a from the set {3, 4, 5, 6} makes this equation true? 2(a + 4) = 16
A.) 3
B.) 4
C.) 5
D.) 6

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Аноним Аноним

04-04-2017

B.) 4
just plug in for ex.
a. 2 ×(3+4)=2×7=14
b. 2×(4+4)=2×8=16
c. 2×(5+4)=2×9=18
d. 2×(6+4)=2×10=20

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