11) Determine o valor de x: a) 6x+2x-16-12-2x b)30+7x=84-2x.... Pergunta de ideia defreitasz34

freitasz34 @freitasz34

July 2023 1 30 Report

11) Determine o valor de x:
a) 6x+2x-16-12-2x
b)30+7x=84-2x

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sakirzanovaa16268

Resposta:

a) 6x+2x-2x=16+12

6x=28

x= 28:6

x=4.7

b) 30+7x=84-2x

7x+2x=84-30

8x=54

x=54:6

x=9

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