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17-06-2016
Mathematics

contestada

Solve the equation
3x-3=18
A)x=-7
B)x=-5
C)x=-3
D)x=5

Respuesta :

17-06-2016

3x - 3 = 18

3x - 3 + 3 = 18 + 3

3x = 21

3x/3 = 21/3

x = 7

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