jquarm2030 jquarm2030

25-05-2021
Mathematics

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. Solve for x. a) 10 - 1/4x - 7 b) 3 (x + 8 ) = 21

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Akatsukifurui Akatsukifurui

25-05-2021

a) 10 - 1/4x = 7

1/4x = 7 + 10

= 17

x = 17/ (1/4)

b) 3 (x + 8 ) = 21

x + 8 = 21/3

= 7

x = 7 - 8

= -1

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