Question

Resolva as seguintes equaçoes a) 2x =18 b)3x - 7 = 0 c)2x - 8 = 0 d)9x = 81 e)x = 16

Answer 1

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a)

2x = 18

x = 18/2

x = 9

R) 9

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b)

3x - 7 = 0

3x = 7

x = 7/3

R) 7/3

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c)

2x - 8 = 0

2x = 8

x = 8/2

x = 4

R) 4

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d)

9x = 81

x = 81/9

x = 9

R) 9

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e)

x = 16

R) 16

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Att: MarcosPCV